restructuring of boca's git

24 files changed, 5231 insertions, 0 deletions

diff --git a/old/C.compare b/old/C.compare
new file mode 100755
index 0000000..cc4c63b
--- /dev/null
+++ b/old/C.compare
@@ -0,0 +1,129 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 31/oct/2011 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+
+# if there is an special checker, use it. It can be defined by an sol_output
+# which has .sh extension (which makes it be executed instead of compared to)
+# or by the existence of the file bocachecker.$4 in the execution path (here
+# $4 is in fact the short problename, which has to match with the spec in BOCA)
+schecker=
+if [ ${2: -3} == ".sh" ]; then
+  schecker=$2
+  chmod 755 "$schecker"
+else
+  if [ "$4" != "" ]; then
+    schecker=`which "bocachecker.$4"`
+  fi
+fi
+if [ -x "$schecker" ]; then
+  echo "Calling special checker $schecker"
+  "$schecker" "$@"
+  ret=$?
+  if [ "$ret" == "0" ]; then
+	  echo "Checker answered YES"
+      exit 4
+  fi
+  if [ "$ret" == "1" ]; then
+	  echo "Checker answered WRONG ANSWER"
+    exit 6
+  fi
+  if [ "$ret" == "2" ]; then
+	  echo "Checker answered OUTPUT FORMAT ERROR"
+    exit 5
+  fi
+  echo "special checker returned unknown code"
+  exit 43
+fi
+
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+wd=`which wdiff`
+if [ "$wd" != "" ]; then
+  wdiff \"$1\" \"$2\" >/dev/null 2>/dev/null
+  if [ "$?" == "0" ]; then
+    echo -e "wdiff \"$1\" \"$2\" # files match"
+    echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output" 
+    diff -c -i -b -B -w "$1" "$2"
+    echo "BUT Files match if we compare word by word, ignoring everything else, using wdiff"
+    echo "diff has a bug that, if a line contains a single space, this is not discarded by -w"
+    exit 5
+  fi
+fi
+echo -e "### files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
diff --git a/old/C.run b/old/C.run
new file mode 100755
index 0000000..6336c09
--- /dev/null
+++ b/old/C.run
@@ -0,0 +1,141 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 17/oct/2011 by cassio@ime.usp.br
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened (according to safeexec):
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# 4 internal error
+# 5 parameter error
+# 6 internal error
+# 7 memory limit exceeded
+# 8 security threat
+# 9 runtime error
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+id -u bocajail >/dev/null 2>/dev/null
+if [ $? == 0 ]; then
+	bocau=`id -u bocajail`
+	bocag=`id -g bocajail`
+	chown bocajail.nogroup .
+else
+	bocau=`id -u nobody`
+	bocag=`id -g nobody`
+	chown nobody.nogroup .
+fi
+if [ "$bocau" == "" -o "$bocag" == "" ]; then
+	echo "error finding user to run script"
+	exit 43
+fi
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+gcc=`which gcc`
+[ -x "$gcc" ] || gcc=/usr/bin/gcc
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r $2 ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r $3 ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x $sf ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+if [ ! -x $gcc ]; then
+    echo "$gcc not found or it's not executable"
+    exit 47
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+$gcc -O2 -lm -o $prefix "$name"
+ret=$?
+if [ "$ret" != "0" ]; then
+	echo "Compilation Error: $ret"
+	exit 1
+else
+    cdir=`pwd`
+	echo "Current directory is $cdir" >&2
+	echo $cdir | grep -q "/bocajail"
+	if [ $? == 0 ]; then
+       cdir=`echo $cdir | sed "s/.*\/bocajail//"`
+       cat <<EOF > runit.sh
+#!/bin/bash
+[ -f /proc/cpuinfo ] || /bin/mount -t proc proc /proc
+#/bin/mount --bind /dev /dev
+[ -d /sys/kernel ] || /bin/mount -t sysfs sysfs /sys
+cd $cdir
+$sf -F10 -n0 -U$bocau -G$bocag -C. -ostdout0 -estderr0 -d512000 -m512000 -f20000 -t$time -T$ttime -i$input ./$prefix
+echo \$? > runit.retcode
+/bin/umount /proc 2>/dev/null
+#/bin/umount /dev
+/bin/umount /sys 2>/dev/null
+EOF
+       chmod 755 runit.sh
+       chroot /bocajail $cdir/runit.sh
+  	   ret=`cat runit.retcode`
+	   if [ "$ret" == "" ]; then
+		   echo "Execution error - check autojudging"
+		   exit 49
+	   fi
+    else
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       $sf -F10 -n0 -C. -U$bocau -G$bocag -ostdout0 -estderr0 -d512000000 -m512000000 -t$time -T$ttime -i$input ./$prefix
+	   ret=$?
+    fi
+	if [ $ret -gt 10 ]; then
+		ret=0
+	fi
+fi
+if [ -f stdout0 ]; then
+  cat stdout0
+fi
+exit $ret
diff --git a/old/Cpp.compare b/old/Cpp.compare
new file mode 100755
index 0000000..cc4c63b
--- /dev/null
+++ b/old/Cpp.compare
@@ -0,0 +1,129 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 31/oct/2011 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+
+# if there is an special checker, use it. It can be defined by an sol_output
+# which has .sh extension (which makes it be executed instead of compared to)
+# or by the existence of the file bocachecker.$4 in the execution path (here
+# $4 is in fact the short problename, which has to match with the spec in BOCA)
+schecker=
+if [ ${2: -3} == ".sh" ]; then
+  schecker=$2
+  chmod 755 "$schecker"
+else
+  if [ "$4" != "" ]; then
+    schecker=`which "bocachecker.$4"`
+  fi
+fi
+if [ -x "$schecker" ]; then
+  echo "Calling special checker $schecker"
+  "$schecker" "$@"
+  ret=$?
+  if [ "$ret" == "0" ]; then
+	  echo "Checker answered YES"
+      exit 4
+  fi
+  if [ "$ret" == "1" ]; then
+	  echo "Checker answered WRONG ANSWER"
+    exit 6
+  fi
+  if [ "$ret" == "2" ]; then
+	  echo "Checker answered OUTPUT FORMAT ERROR"
+    exit 5
+  fi
+  echo "special checker returned unknown code"
+  exit 43
+fi
+
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+wd=`which wdiff`
+if [ "$wd" != "" ]; then
+  wdiff \"$1\" \"$2\" >/dev/null 2>/dev/null
+  if [ "$?" == "0" ]; then
+    echo -e "wdiff \"$1\" \"$2\" # files match"
+    echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output" 
+    diff -c -i -b -B -w "$1" "$2"
+    echo "BUT Files match if we compare word by word, ignoring everything else, using wdiff"
+    echo "diff has a bug that, if a line contains a single space, this is not discarded by -w"
+    exit 5
+  fi
+fi
+echo -e "### files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
diff --git a/old/Cpp.run b/old/Cpp.run
new file mode 100755
index 0000000..6c6d7ea
--- /dev/null
+++ b/old/Cpp.run
@@ -0,0 +1,142 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 17/oct/2011 by cassio@ime.usp.br
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened:
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# 4 internal error
+# 5 parameter error
+# 6 internal error
+# 7 memory limit exceeded
+# 8 security threat
+# 9 runtime error
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+id -u bocajail >/dev/null 2>/dev/null
+if [ $? == 0 ]; then
+	bocau=`id -u bocajail`
+	bocag=`id -g bocajail`
+	chown bocajail.nogroup .
+else
+	bocau=`id -u nobody`
+	bocag=`id -g nobody`
+	chown nobody.nogroup .
+fi
+if [ "$bocau" == "" -o "$bocag" == "" ]; then
+	echo "error finding user to run script"
+	exit 43
+fi
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+gpp=`which g++`
+[ -x "$gpp" ] || gcc=/usr/bin/g++
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r $2 ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r $3 ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x $sf ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+if [ ! -x $gpp ]; then
+    echo "$gpp not found or it's not executable"
+    exit 47
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+# note that problems should spelling the same as inside BOCA
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+$gpp -O2 -lm -o $prefix "$name"
+ret=$?
+if [ "$ret" != "0" ]; then
+	echo "Compiling Error: $ret"
+	exit 1
+else
+    cdir=`pwd`
+	echo "Current directory is $cdir" >&2
+	echo $cdir | grep -q "/bocajail"
+	if [ $? == 0 ]; then
+       cdir=`echo $cdir | sed "s/.*\/bocajail//"`
+       cat <<EOF > runit.sh
+#!/bin/bash
+[ -f /proc/cpuinfo ] || /bin/mount -t proc proc /proc
+#/bin/mount --bind /dev /dev
+[ -d /sys/kernel ] || /bin/mount -t sysfs sysfs /sys
+cd $cdir
+$sf -F10 -t$time -T$ttime -i$input -ostdout0 -estderr0 -U$bocau -G$bocag -n0 -C. -f20000 -d512000 -m512000 ./$prefix
+echo \$? > runit.retcode
+/bin/umount /proc 2>/dev/null
+#/bin/umount /dev
+/bin/umount /sys 2>/dev/null
+EOF
+       chmod 755 runit.sh
+       chroot /bocajail $cdir/runit.sh
+  	   ret=`cat runit.retcode`
+	   if [ "$ret" == "" ]; then
+		   echo "Execution error - check autojudging"
+		   exit 49
+	   fi
+    else
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       $sf -F10 -n0 -C. -U$bocau -G$bocag -ostdout0 -estderr0 -d512000000 -m512000000 -t$time -T$ttime -i$input ./$prefix
+	   ret=$?
+    fi
+	if [ $ret -gt 10 ]; then
+        ret=0
+	fi
+fi
+if [ -f stdout0 ]; then
+  cat stdout0
+fi
+exit $ret
diff --git a/old/Java.compare b/old/Java.compare
new file mode 100755
index 0000000..cc4c63b
--- /dev/null
+++ b/old/Java.compare
@@ -0,0 +1,129 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 31/oct/2011 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+
+# if there is an special checker, use it. It can be defined by an sol_output
+# which has .sh extension (which makes it be executed instead of compared to)
+# or by the existence of the file bocachecker.$4 in the execution path (here
+# $4 is in fact the short problename, which has to match with the spec in BOCA)
+schecker=
+if [ ${2: -3} == ".sh" ]; then
+  schecker=$2
+  chmod 755 "$schecker"
+else
+  if [ "$4" != "" ]; then
+    schecker=`which "bocachecker.$4"`
+  fi
+fi
+if [ -x "$schecker" ]; then
+  echo "Calling special checker $schecker"
+  "$schecker" "$@"
+  ret=$?
+  if [ "$ret" == "0" ]; then
+	  echo "Checker answered YES"
+      exit 4
+  fi
+  if [ "$ret" == "1" ]; then
+	  echo "Checker answered WRONG ANSWER"
+    exit 6
+  fi
+  if [ "$ret" == "2" ]; then
+	  echo "Checker answered OUTPUT FORMAT ERROR"
+    exit 5
+  fi
+  echo "special checker returned unknown code"
+  exit 43
+fi
+
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+wd=`which wdiff`
+if [ "$wd" != "" ]; then
+  wdiff \"$1\" \"$2\" >/dev/null 2>/dev/null
+  if [ "$?" == "0" ]; then
+    echo -e "wdiff \"$1\" \"$2\" # files match"
+    echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output" 
+    diff -c -i -b -B -w "$1" "$2"
+    echo "BUT Files match if we compare word by word, ignoring everything else, using wdiff"
+    echo "diff has a bug that, if a line contains a single space, this is not discarded by -w"
+    exit 5
+  fi
+fi
+echo -e "### files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
diff --git a/old/Java.run b/old/Java.run
new file mode 100755
index 0000000..7708811
--- /dev/null
+++ b/old/Java.run
@@ -0,0 +1,160 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 17/oct/2011 by cassio@ime.usp.br
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened:
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# 4 internal error
+# 5 parameter error
+# 6 internal error
+# 7 memory limit exceeded
+# 8 security threat
+# 9 runtime error
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+id -u bocajail >/dev/null 2>/dev/null
+if [ $? == 0 ]; then
+	bocau=`id -u bocajail`
+	bocag=`id -g bocajail`
+	chown bocajail.nogroup .
+else
+	bocau=`id -u nobody`
+	bocag=`id -g nobody`
+	chown nobody.nogroup .
+fi
+if [ "$bocau" == "" -o "$bocag" == "" ]; then
+	echo "error finding user to run script"
+	exit 43
+fi
+
+export CLASSPATH=.:$CLASSPATH
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+java=`which java`
+[ -x "$java" ] || java=/usr/java/bin/java
+javac=`which javac`
+[ -x "$javac" ] || javac=/usr/java/bin/javac
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r $2 ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r $3 ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x $sf ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+if [ ! -x $java ]; then
+    echo "$java not found or it's not executable"
+    exit 47
+fi
+if [ ! -x $javac ]; then
+    echo "$javac not found or it's not executable"
+    exit 47
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+# note that problems should spelling the same as inside BOCA
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+$javac "$name"
+ret=$?
+if [ "$ret" != "0" ]; then
+	echo "Compilation Error: $ret"
+	exit 1
+else
+    if [ ! -f "$prefix.class" ]; then
+        echo "Class file $prefix.class not generated - possible name mismatch"
+        exit 48
+    fi
+    cdir=`pwd`
+	echo "Current directory is $cdir" >&2
+	echo $cdir | grep -q "/bocajail"
+	if [ $? == 0 ]; then
+       cdir=`echo $cdir | sed "s/.*\/bocajail//"`
+       cat <<EOF > runit.sh
+#!/bin/bash
+[ -f /proc/cpuinfo ] || /bin/mount -t proc proc /proc
+#/bin/mount --bind /dev /dev
+[ -d /sys/kernel ] || /bin/mount -t sysfs sysfs /sys
+cd $cdir
+$sf -t$time -T$ttime -i$input -F256 -u256 -ostdout0 -estderr0 -U$bocau -G$bocag -n0 -C. -f20000 -d1000000 -m1000000 -- $java -Xmx512M -Xms512M $prefix
+echo \$? > runit.retcode
+/bin/umount /proc 2>/dev/null
+#/bin/umount /dev
+/bin/umount /sys 2>/dev/null
+EOF
+       chmod 755 runit.sh
+       chroot /bocajail $cdir/runit.sh
+  	   ret=`cat runit.retcode`
+	   if [ "$ret" == "" ]; then
+		   echo "Execution error - check autojudging"
+		   exit 49
+	   fi
+	   if [ $ret -gt 10 ]; then
+	       echo "> > > > > > > Nonzero return code - possible runtime error - GUESSING IT IS RUNTIME ERROR! < < < < < < < <"
+		   exit 9
+	   fi
+    else
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+       echo "CODE NOT BEING CHROOTED. DO NOT RUN THIS ON THE MAIN SERVER" >&2
+#	$java $prefix < $input
+	   $sf -t$time -T$ttime -i$input -F256 -u256 -U$bocau -G$bocag -ostdout0 -estderr0 -n0 -C. -d900000000 -m900000000 -- $java -Xmx512M -Xms512M $prefix
+	   ret=$?
+    fi
+	if [ $ret -gt 10 ]; then
+	    echo "> > > > > > > Nonzero return code - possible runtime error - GUESSING IT IS RUNTIME ERROR! < < < < < < < <"
+	    ret=9
+	fi
+fi
+if [ -f stdout0 ]; then
+  cat stdout0
+fi
+exit $ret
diff --git a/old/Pascal.compare b/old/Pascal.compare
new file mode 100755
index 0000000..cc4c63b
--- /dev/null
+++ b/old/Pascal.compare
@@ -0,0 +1,129 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 31/oct/2011 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+
+# if there is an special checker, use it. It can be defined by an sol_output
+# which has .sh extension (which makes it be executed instead of compared to)
+# or by the existence of the file bocachecker.$4 in the execution path (here
+# $4 is in fact the short problename, which has to match with the spec in BOCA)
+schecker=
+if [ ${2: -3} == ".sh" ]; then
+  schecker=$2
+  chmod 755 "$schecker"
+else
+  if [ "$4" != "" ]; then
+    schecker=`which "bocachecker.$4"`
+  fi
+fi
+if [ -x "$schecker" ]; then
+  echo "Calling special checker $schecker"
+  "$schecker" "$@"
+  ret=$?
+  if [ "$ret" == "0" ]; then
+	  echo "Checker answered YES"
+      exit 4
+  fi
+  if [ "$ret" == "1" ]; then
+	  echo "Checker answered WRONG ANSWER"
+    exit 6
+  fi
+  if [ "$ret" == "2" ]; then
+	  echo "Checker answered OUTPUT FORMAT ERROR"
+    exit 5
+  fi
+  echo "special checker returned unknown code"
+  exit 43
+fi
+
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+wd=`which wdiff`
+if [ "$wd" != "" ]; then
+  wdiff \"$1\" \"$2\" >/dev/null 2>/dev/null
+  if [ "$?" == "0" ]; then
+    echo -e "wdiff \"$1\" \"$2\" # files match"
+    echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output" 
+    diff -c -i -b -B -w "$1" "$2"
+    echo "BUT Files match if we compare word by word, ignoring everything else, using wdiff"
+    echo "diff has a bug that, if a line contains a single space, this is not discarded by -w"
+    exit 5
+  fi
+fi
+echo -e "### files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
diff --git a/old/Pascal.run b/old/Pascal.run
new file mode 100755
index 0000000..df98e41
--- /dev/null
+++ b/old/Pascal.run
@@ -0,0 +1,107 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 25/may/2010 by cassiopc
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened:
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+chown nobody.nogroup .
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+grep=`which grep`
+[ -x "$grep" ] || grep=/bin/grep
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+pascal=`which fpc`
+[ -x "$pascal" ] || pascal=/usr/bin/fpc
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r $2 ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r $3 ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x $sf ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+if [ ! -x $pascal ]; then
+    echo "$pascal not found or it's not executable"
+    exit 47
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+# note that problems should spelling the same as inside BOCA
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+$pascal -o$prefix $name >compiler.out 2>compiler.out
+$grep -irq linking compiler.out
+ret=$?
+$grep -irq "lines compiled" compiler.out
+ret2=$?
+if [ "$ret" != "0" -o "$ret2" != "0" ]; then
+	cat compiler.out
+	echo "Compiling Error: $ret"
+	exit 1
+else
+	$sf -F10 -t$time -T$ttime -i$input -opascal.out -n0 -R. ./$prefix
+	ret=$?
+        if [ -f pascal.out ]; then
+          cat pascal.out
+          $grep -irq "runtime error" pascal.out
+          ret2=$?
+	  if [ "$ret2" = "0" ]; then
+		echo "Strange output - possible runtime error"
+		if [ $ret -lt 4 ]; then
+			ret=48
+		fi
+          fi
+	else
+          echo "Output file not found - possible runtime error"
+	fi
+fi
+exit $ret
diff --git a/old/compare.sh b/old/compare.sh
new file mode 100755
index 0000000..cc4c63b
--- /dev/null
+++ b/old/compare.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 31/oct/2011 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+
+# if there is an special checker, use it. It can be defined by an sol_output
+# which has .sh extension (which makes it be executed instead of compared to)
+# or by the existence of the file bocachecker.$4 in the execution path (here
+# $4 is in fact the short problename, which has to match with the spec in BOCA)
+schecker=
+if [ ${2: -3} == ".sh" ]; then
+  schecker=$2
+  chmod 755 "$schecker"
+else
+  if [ "$4" != "" ]; then
+    schecker=`which "bocachecker.$4"`
+  fi
+fi
+if [ -x "$schecker" ]; then
+  echo "Calling special checker $schecker"
+  "$schecker" "$@"
+  ret=$?
+  if [ "$ret" == "0" ]; then
+	  echo "Checker answered YES"
+      exit 4
+  fi
+  if [ "$ret" == "1" ]; then
+	  echo "Checker answered WRONG ANSWER"
+    exit 6
+  fi
+  if [ "$ret" == "2" ]; then
+	  echo "Checker answered OUTPUT FORMAT ERROR"
+    exit 5
+  fi
+  echo "special checker returned unknown code"
+  exit 43
+fi
+
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+wd=`which wdiff`
+if [ "$wd" != "" ]; then
+  wdiff \"$1\" \"$2\" >/dev/null 2>/dev/null
+  if [ "$?" == "0" ]; then
+    echo -e "wdiff \"$1\" \"$2\" # files match"
+    echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output" 
+    diff -c -i -b -B -w "$1" "$2"
+    echo "BUT Files match if we compare word by word, ignoring everything else, using wdiff"
+    echo "diff has a bug that, if a line contains a single space, this is not discarded by -w"
+    exit 5
+  fi
+fi
+echo -e "### files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
diff --git a/old/connect.php b/old/connect.php
new file mode 100644
index 0000000..1ee33da
--- /dev/null
+++ b/old/connect.php
@@ -0,0 +1,44 @@
+<?php
+//////////////////////////////////////////////////////////////////////////////////////////
+//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////////////
+// created 14/June/2011 by cassio@ime.usp.br
+require('header.php');
+
+if(($ct = DBContestInfo($_SESSION["usertable"]["contestnumber"])) == null)
+	ForceLoad("../index.php");
+if(($st = DBSiteInfo($_SESSION["usertable"]["contestnumber"],$_SESSION["usertable"]["usersitenumber"])) == null)
+	ForceLoad("../index.php");
+
+$fn = tempnam("/tmp","bkp-");
+$fout = fopen($fn,"wb");
+echo $_POST;
+echo $_POST['data'];
+fwrite($fout,base64_decode($_POST['data']));
+fclose($fout);
+$size=filesize($fn);
+$name=$_POST['name'];
+if ($size > $ct["contestmaxfilesize"] || strlen($name)>100 || strlen($name)<1) {
+	LOGLevel("User {$_SESSION["usertable"]["username"]} tried to submit file " .
+			 ":${name}: with $size bytes.", 1);
+	MSGError("File size exceeds the limit allowed or invalid name.");
+} else
+
+	DBNewBkp ($_SESSION["usertable"]["contestnumber"],
+			  $_SESSION["usertable"]["usersitenumber"],
+			  $_SESSION["usertable"]["usernumber"],
+			  $name,
+			  $fn, $size);
+@unlink($fn);
+ForceLoad("../index.php");
+?>
diff --git a/old/create-import-file.sh b/old/create-import-file.sh
new file mode 100755
index 0000000..0d3ca9e
--- /dev/null
+++ b/old/create-import-file.sh
@@ -0,0 +1,197 @@
+#!/bin/bash
+# Copyright (c) 2007- C. P. de Campos (cassio@ime.usp.br). All rights reserved.
+# Licensed under Q Public License version 1.0. See http://www.opensource.org/licenses/qtpl.php
+
+for i in /usr/bin/cut /bin/cat /bin/date /usr/bin/basename /bin/true /usr/bin/uuencode /usr/bin/wc /usr/bin/tail; do
+  if [ ! -x $i ]; then
+    echo "$i not found. Aborting"
+    exit 1
+  fi
+done
+
+if [ "$1" == "" -o "$2" == "" -o ! -d "$2" -o ! -r "$2" ]; then
+  echo "Usage $0 <filename> <directory>"
+  echo "filename will be overwritten."
+  echo "directory must contain the following files:"
+  echo "  *.run: where * is a language name."
+  echo "  *.compare: where * is a language name."
+  echo "  *.in: where * is a problem name."
+  echo "  *.out: where * is a problem name."
+  echo "  *.pdf: where * is a problem name."
+  echo "  For better compatibility, use only letters in filenames (avoid spaces, symbols, etc)."
+  exit 1
+fi
+file=$1
+dir=$2
+
+d=`/bin/date +%s`
+endmark=endmark$d
+
+echo -n "Enter the contest name: "
+read name
+
+echo -n "Enter your site name: "
+read site
+
+st=$d
+while /bin/true; do
+ echo -n "Enter starting date (format complying with /bin/date. For example, '12/25/2007 13:34'): "
+ read data
+ st=`/bin/date -d "$data" +%s`
+ if [ $? == 0 ]; then
+  break
+ fi
+done
+
+echo "Creating contest, site and answer sections"
+/bin/cat << EOFEOF > $file
+$endmark
+
+[contest]
+contestname=$name
+scorelevel=4
+sitename=$site
+startdate=$st
+
+[site]
+
+[answer]
+answernumber=1
+answername=NO - Compile error
+answeryes=f
+
+answernumber=2
+answername=NO - Runtime error
+answeryes=f
+
+answernumber=3
+answername=NO - Time limit exceeded
+answeryes=f
+
+answernumber=4
+answername=YES
+answeryes=t
+
+answernumber=5
+answername=NO - Presentation error
+answeryes=f
+
+answernumber=6
+answername=NO - Wrong answer
+answeryes=f
+
+answernumber=7
+answername=NO - Contact staff
+answeryes=f
+
+answernumber=8
+answername=NO - Problem/File name mismatch
+answeryes=f
+
+EOFEOF
+
+echo "Creating language section"
+echo "[language]" >> $file
+
+j=1
+for i in $dir/*.run ; do
+  lang=`/usr/bin/basename "$i" .run`
+  echo "Creating $lang"
+  mds=`/usr/bin/md5sum $i | /usr/bin/cut -d" " -f1`
+  mdc=`/usr/bin/md5sum $dir/$lang.compare | /usr/bin/cut -d" " -f1`
+
+  echo -n "Enter language name: "
+  read name
+
+  /usr/bin/uuencode -m x < $dir/$lang.run > $file.tmp
+  lin=`/usr/bin/wc -l $file.tmp | /usr/bin/cut -d" " -f1`
+  let lin="$lin - 1"
+
+  /bin/cat << EOFEOF >> $file
+langnumber=$j
+langname=$name
+langscriptmd5=$mds
+langcompscriptmd5=$mdc
+langscript=base64:$lang.run
+EOFEOF
+  /usr/bin/tail -n $lin $file.tmp >> $file 
+  echo "***${endmark}***" >> $file
+
+  /usr/bin/uuencode -m x < $dir/$lang.compare > $file.tmp
+  lin=`/usr/bin/wc -l $file.tmp | /usr/bin/cut -d" " -f1`
+  let lin="$lin - 1"
+  echo "langcompscript=base64:$lang.compare" >> $file
+  /usr/bin/tail -n $lin $file.tmp >> $file 
+  echo "***${endmark}***" >> $file
+
+  echo "" >> $file
+  let j="$j + 1"
+done
+
+echo "Creating problem section"
+echo "[problem]" >> $file
+letters="A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"
+
+j=1
+for i in $dir/*.out ; do
+  prob=`/usr/bin/basename "$i" .out`
+  letter=`echo $letters | /usr/bin/cut -d" " -f$j`
+  echo "Creating problem $letter (basename=$prob)"
+
+  echo -n "Enter full name: "
+  read full
+  echo -n "Enter time limit: "
+  read tl
+  echo -n "Enter Color name: "
+  read cn
+  echo -n "Enter Color (html RGB format): "
+  read rgb
+
+  /bin/cat << EOFEOF >> $file
+probnumber=$j
+probname=$letter
+probfullname=$full
+probbasename=$prob
+probtimelimit=$tl
+probcolorname=$cn
+probcolor=$rgb
+EOFEOF
+
+  if [ -r $dir/$prob.in ]; then
+   mds=`/usr/bin/md5sum $dir/$prob.in | /usr/bin/cut -d" " -f1`
+   echo "probinputfilemd5=$mds" >> $file
+   echo "probinputfile=base64:$prob.in" >> $file
+   /usr/bin/uuencode -m x < $dir/$prob.in > $file.tmp
+   lin=`/usr/bin/wc -l $file.tmp | /usr/bin/cut -d" " -f1`
+   let lin="$lin - 1"
+   /usr/bin/tail -n $lin $file.tmp >> $file 
+   echo "***${endmark}***" >> $file
+  fi
+  if [ -r $dir/$prob.out ]; then
+   mds=`/usr/bin/md5sum $dir/$prob.out | /usr/bin/cut -d" " -f1`
+   echo "probsolfilemd5=$mds" >> $file
+   echo "probsolfile=base64:$prob.out" >> $file
+   /usr/bin/uuencode -m x < $dir/$prob.out > $file.tmp
+   lin=`/usr/bin/wc -l $file.tmp | /usr/bin/cut -d" " -f1`
+   let lin="$lin - 1"
+   /usr/bin/tail -n $lin $file.tmp >> $file 
+   echo "***${endmark}***" >> $file
+  fi
+  if [ -r $dir/$prob.pdf ]; then
+   mds=`/usr/bin/md5sum $dir/$prob.pdf | /usr/bin/cut -d" " -f1`
+   echo "probdescfilemd5=$mds" >> $file
+   echo "probdescfile=base64:$prob.pdf" >> $file
+   /usr/bin/uuencode -m x < $dir/$prob.pdf > $file.tmp
+   lin=`/usr/bin/wc -l $file.tmp | /usr/bin/cut -d" " -f1`
+   let lin="$lin - 1"
+   /usr/bin/tail -n $lin $file.tmp >> $file 
+   echo "***${endmark}***" >> $file
+  fi
+
+  echo "" >> $file
+  let j="$j + 1"
+done
+
+echo "[end]" >> $file
+rm -f $file.tmp
+echo "Done."
diff --git a/old/getextdata.old b/old/getextdata.old
new file mode 100644
index 0000000..7c9955d
--- /dev/null
+++ b/old/getextdata.old
@@ -0,0 +1,931 @@
+<?php
+//////////////////////////////////////////////////////////////////////////////////////////
+//BOCA Online Contest Administrator. Copyright (c) 2003-2004 Cassio Polpo de Campos.
+//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////////////
+
+//retorna ip do cliente
+function getIP() {
+        if (getenv("HTTP_CLIENT_IP"))
+                $ip = getenv("HTTP_CLIENT_IP");
+        else
+        if(getenv("HTTP_X_FORWARDED_FOR"))
+                $ip = getenv("HTTP_X_FORWARDED_FOR");
+        else
+        if(getenv("REMOTE_ADDR"))
+                $ip = getenv("REMOTE_ADDR");
+        else
+                $ip = "UNKNOWN";
+        $ip = strtok ($ip, ",");
+        return $ip;
+}
+//para compatibilidade com versoes velhas e novas do php
+function DB_lo_open($conn, $file, $mode) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loopen ($conn, $file, $mode);
+	else
+		return pg_lo_open ($conn, $file, $mode);
+}
+function DB_lo_read_all($id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loreadall ($id);
+	else
+		return pg_lo_read_all ($id);
+}
+function DB_lo_import($conn, $file) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loimport ($file, $conn);
+	else
+		return pg_lo_import ($conn, $file);
+}
+function DB_lo_close($id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loclose ($id);
+	else
+		return pg_lo_close ($id);
+}
+function DB_lo_unlink($c,$id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_lounlink ($id,$c);
+	else
+		return pg_lo_unlink ($c,$id);
+}
+function DB_lo_create($conn) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_locreate ($conn);
+	else
+		return pg_lo_create ($conn);
+}
+function DB_lo_write($fp, $data) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_lowrite ($fp, $data);
+	else
+		return pg_lo_write ($fp, $data);
+}
+function DB_lo_read($fp, $len) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loread ($fp, $len);
+	else
+		return pg_lo_read ($fp, $len);
+}
+
+//abrir conexao com o banco de dados
+function DBConnect() {
+	$dbconn="host=localhost dbname=bocadb user=bocauser password=boca";
+	$conn = pg_connect ($dbconn);
+	if (!$conn) {
+		echo "Unable to connect to local database\n";
+		return null;
+	}
+	return $conn;
+}
+function DBExtConnect($c, $contest, $site) {
+        $r = DBExec($c, "select * from sitetable where sitenumber=$site and contestnumber=$contest");
+	if (DBnLines($r)==0) {
+                echo "Unable to find the site in the database (site=$site, contest=$contest).\n";
+		exit;
+	}
+	$st = DBRow($r,0);
+
+	if(($f = file("sqlpass.php"))===false) $pass="boca";
+	else $pass=trim($f[1]);
+
+	// gambiarra para testar se a conexao esta de pe
+	$fp = fsockopen ($st["siteip"], 5432, $errno, $errstr, 10);
+	if (!$fp) {
+    		echo "$errstr ($errno). Aborting this connection (ip=".$st["siteip"].").\n";
+		return null;
+	}
+    	fclose ($fp);
+	// se a conexao cair entre o teste acima e o connect abaixo, esse script pode demorar ate
+	// dar o timeout (no meu teste foram cerca de 3min para cada timeout)
+
+	$conn = pg_connect ("host=" . $st["siteip"] . " dbname=bocadb user=bocauser password=$pass");
+	if (!$conn) {
+		echo "Unable to connect to site $site (ip=".$st["siteip"].")\n";
+		return null;
+	}
+	echo "Connected to " .$st["siteip"].". Let's exchange data...\n";
+	return $conn;
+}
+
+function GetExternalData ($contest) {
+	$c = DBConnect();
+        if ($c==null) return;
+	$r = DBExec($c, "select * from contesttable where contestnumber=$contest");
+	if (DBnLines($r)==0) {
+		echo "Unable to find the contest $contest in the database.\n";
+		exit;
+	}
+	$ct = DBRow($r,0);
+	$localsite = $ct["contestlocalsite"];
+	$mainsite = $ct["contestmainsite"];
+
+	if ($mainsite!=$localsite) {
+          $r = DBExec($c, "select * from sitetable where sitenumber=".$ct["contestmainsite"]." and contestnumber=$contest");
+  	  if (DBnLines($r)==0) {
+                echo "Unable to find the main site in the database (site=$site, contest=$contest).\n";
+		exit;
+	  }
+	  $st = DBRow($r,0);
+	  if (($t = DBExtConnect($c, $contest, $st["sitenumber"]))!=null) {
+		DBExec($c, "begin work");
+
+		// sincronizando contest
+		$r = DBExec ($t, "select * from contesttable where contestnumber=$contest");
+		$n = DBnLines ($r);
+		$atual = DBRow($r,0);
+		if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+		DBExec ($c, "update contesttable set ".
+					"contestduration=".$atual["contestduration"].",".
+					"conteststartdate=".$atual["conteststartdate"].",".
+					"contestmaxfilesize=".$atual["contestmaxfilesize"].",".
+					"contestactive='".$atual["contestactive"]."',".
+					//"contestmainsite=".$atual["contestmainsite"].",".
+					"contestname='".escape_string($atual["contestname"])."',".
+					"contestlastmileanswer=".$atual["contestlastmileanswer"].",".
+					"contestlastmilescore=".$atual["contestlastmilescore"].",".
+					"contestpenalty=".$atual["contestpenalty"].",".
+					"updatetime=".$atual["updatetime"].
+				" where contestnumber=$contest and updatetime<".$atual["updatetime"]);
+		
+		// sincronizando answers
+		$r = DBExec ($t, "select * from answertable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from answertable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "answers: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["answernumber"]==$aqui["answernumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from answertable where contestnumber=$contest and answernumber=".$atual["answernumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update answertable set ".
+						"runanswer='".$atual["runanswer"]."',".
+						"yes='".$atual["yes"]."',".
+						"fake='".$atual["fake"]."',".
+						"updatetime=".$atual["updatetime"].
+						" where contestnumber=$contest and answernumber=".$atual["answernumber"].
+						" and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($c,"insert into answertable (contestnumber, answernumber, runanswer, yes, fake, updatetime) values (" .
+					$contest.",".$atual["answernumber"].",'".$atual["runanswer"]."','".$atual["yes"]."',".
+					"'".$atual["fake"]."',".$atual["updatetime"].")");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando languages
+		$r = DBExec ($t, "select * from langtable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from langtable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "languages: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["langnumber"]==$aqui["langnumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from langtable where contestnumber=$contest and langnumber=".$atual["langnumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update langtable set ".
+						"langname='".escape_string($atual["langname"])."',".
+						"updatetime=".$atual["updatetime"].
+						" where contestnumber=$contest and langnumber=".$atual["langnumber"].
+						" and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($c,"insert into langtable (contestnumber, langnumber, langname, updatetime) values ($contest,".$atual["langnumber"].
+					",'".escape_string($atual["langname"])."',".$atual["updatetime"].")");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando problems
+		$r = DBExec ($t, "select * from problemtable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from problemtable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "problems: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["problemnumber"]==$aqui["problemnumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from problemtable where contestnumber=$contest and problemnumber=".$atual["problemnumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="inserir") {
+				$ins++; $upd--;
+				DBExec($c,"insert into problemtable (contestnumber, problemnumber, problemname, updatetime) values ($contest,".
+					$atual["problemnumber"].",'".escape_string($atual["problemname"])."', 0)");
+			}
+			if ($situacao[$j]=="atualizar" || $situacao[$j]=="inserir") {
+				$upd++;
+				$p = DBRow($r2, 0);
+				if ($p["probleminputfile"]>0) DB_lo_unlink($c, $p["probleminputfile"]);
+				if ($p["problemsolfile"]>0) DB_lo_unlink($c, $p["problemsolfile"]);
+				DBExec($t, "begin work");
+				if ($atual["probleminputfile"]=="") $inputfile="null";
+				else {
+					$in = DB_lo_open($t, $atual["probleminputfile"], "r");
+					if (!$in) $inputfile="null";
+					else {
+						$inputfile = DB_lo_create ($c);
+						$out = DB_lo_open ($c, $inputfile, "w");
+						while (($buf = DB_lo_read ($in, 100000)) != false)
+							DB_lo_write ($out, $buf);
+						DB_lo_close ($out);
+						DB_lo_close ($in);
+					}
+				}
+				if ($atual["problemsolfile"]=="") $solfile="null";
+				else {
+					$in = DB_lo_open($t, $atual["problemsolfile"], "r");
+					if (!$in) $solfile="null";
+					else {
+						$solfile = DB_lo_create ($c);
+						$out = DB_lo_open ($c, $solfile, "w");
+						while (($buf = DB_lo_read ($in, 100000)) != false)
+							DB_lo_write ($out, $buf);
+						DB_lo_close ($out);
+						DB_lo_close ($in);
+					}
+				}
+				DBExec ($t, "commit work");
+
+				DBExec ($c, "update problemtable set ".
+						"problemname='".escape_string($atual["problemname"])."',".
+						"problemfullname='".escape_string($atual["problemfullname"])."',".
+						"problembasefilename='".escape_string($atual["problembasefilename"])."',".
+						"probleminputfilename='".escape_string($atual["probleminputfilename"])."',".
+						"problemsolfilename='".escape_string($atual["problemsolfilename"])."',".
+						"fake='".$atual["fake"]."',".
+						"probleminputfile=".$inputfile.",".
+						"problemsolfile=".$solfile.",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and problemnumber=".$atual["problemnumber"].
+					" and updatetime<".$atual["updatetime"]);
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+		DBExec($c, "commit work");
+	  }
+
+	}
+
+	$r = DBExec ($c, "select * from sitetable where contestnumber=$contest");
+	$n = DBnlines($r);
+	if ($n == 0) {
+		echo "Unable to find sites in the database.\n";
+		exit;
+	}
+	$st = array();
+	for ($i=0;$i<$n;$i++) {
+		$st[$i] = DBRow($r,$i);
+	}
+	
+	for ($i=0; $i<count($st); $i++) {
+		$site=$st[$i]["sitenumber"];
+		if ($site==$ct["contestlocalsite"]) continue;
+		if (($t = DBExtConnect($c, $contest, $site))==null) continue;
+		DBExec($c, "begin work");
+
+		// sincronizando site
+		$r = DBExec ($t, "select * from sitetable where contestnumber=$contest and sitenumber=$site");
+		$rr = DBExec ($c, "select * from sitetable where contestnumber=$contest and sitenumber=$site for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		$atual = DBRow($r,0);
+		$p = DBRow($rr,0);
+//		if ($p["updatetime"]<$atual["updatetime"]) {
+			if ($atual["sitestartdate"]=="") $atual["sitestartdate"]="null";
+			if ($atual["sitelastmilescore"]=="") $atual["sitelastmilescore"]="null";
+			if ($atual["sitelastmileanswer"]=="") $atual["sitelastmileanswer"]="null";
+			if ($atual["siteenddate"]=="") $atual["siteenddate"]="null";
+			if ($atual["siteendeddate"]=="") $atual["siteendeddate"]="null";
+			if ($atual["siteautoend"]!="t") $atual["siteautoend"]="f";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			DBExec ($c, "update sitetable set ".
+				//"siteip='".escape_string($atual["siteip"])."',".
+				"sitename='".escape_string($atual["sitename"])."',".
+				"siteactive='".escape_string($atual["siteactive"])."',".
+				"sitepermitlogins='".escape_string($atual["sitepermitlogins"])."',".
+				"sitestartdate=".$atual["sitestartdate"].",".
+				"sitelastmilescore=".$atual["sitelastmilescore"].",".
+				"sitelastmileanswer=".$atual["sitelastmileanswer"].",".
+				"siteenddate=".$atual["siteenddate"].",".
+				"siteendeddate=".$atual["siteendeddate"].",".
+				"siteautoend='".escape_string($atual["siteautoend"])."',".
+				"sitejudging='".escape_string($atual["sitejudging"])."',".
+				"siteglobalscore='".escape_string($atual["siteglobalscore"])."',".
+				"sitescorelevel=".$atual["sitescorelevel"].",".
+				"sitenextuser=".$atual["sitenextuser"].",".
+				"sitenextclar=".$atual["sitenextclar"].",".
+				"sitenextrun=".$atual["sitenextrun"].",".
+				"updatetime=".$atual["updatetime"].
+				" where contestnumber=$contest and sitenumber=".$atual["sitenumber"]);
+//				." and updatetime<".$atual["updatetime"]);
+//		}
+
+		// sincronizando users
+		$r = DBExec ($t, "select * from usertable where contestnumber=$contest and usersitenumber=$site");
+		$rr = DBExec ($c, "select * from usertable where contestnumber=$contest and usersitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "users: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["usernumber"]==$aqui["usernumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["usersitenumber"]==$aqui["usersitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from usertable where contestnumber=$contest and usersitenumber=$site and usernumber=".
+					$atual["usernumber"]);
+				$del++;
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["userlastlogin"]=="") $atual["userlastlogin"]="null";
+			if ($atual["userlastlogout"]=="") $atual["userlastlogout"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update usertable set ".
+						"username='".escape_string($atual["username"])."',".
+						"userfullname='".escape_string($atual["userfullname"])."',".
+						"userdesc='".escape_string($atual["userdesc"])."',".
+						"usertype='".escape_string($atual["usertype"])."',".
+						"userenabled='".$atual["userenabled"]."',".
+						"usermultilogin='".$atual["usermultilogin"]."',".
+						"userpassword='".$atual["userpassword"]."',".
+						"userip='".$atual["userip"]."',".
+						"userlastlogin=".$atual["userlastlogin"].",".
+						"userlastlogout=".$atual["userlastlogout"].",".
+						"usersession='".$atual["usersession"]."',".
+						"userpermitip='".$atual["userpermitip"]."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and usersitenumber=".$atual["usersitenumber"].
+					" and usernumber=".$atual["usernumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if ($situacao[$j]=="inserir") {
+				DBExec ($c, "insert into usertable (username, userfullname, userdesc, usertype, userenabled, usermultilogin, ".
+						"userpassword, userip, userlastlogin, userlastlogout, usersession, userpermitip, updatetime, ".
+						"contestnumber, usersitenumber, usernumber) values (".
+						"'".escape_string($atual["username"])."',".
+						"'".escape_string($atual["userfullname"])."',".
+						"'".escape_string($atual["userdesc"])."',".
+						"'".$atual["usertype"]."',".
+						"'".$atual["userenabled"]."',".
+						"'".$atual["usermultilogin"]."',".
+						"'".$atual["userpassword"]."',".
+						"'".$atual["userip"]."',".
+						$atual["userlastlogin"].",".
+						$atual["userlastlogout"].",".
+						"'".$atual["usersession"]."',".
+						"'".$atual["userpermitip"]."',".
+						$atual["updatetime"].",$contest,".$atual["usersitenumber"].",".$atual["usernumber"].")");
+				$ins++;
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando clars
+		$r = DBExec ($t, "select * from clartable where contestnumber=$contest and clarsitenumber=$site");
+		$rr = DBExec ($c, "select * from clartable where contestnumber=$contest and clarsitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "clars: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["clarnumber"]==$aqui["clarnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["clarsitenumber"]==$aqui["clarsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from clartable where contestnumber=$contest and clarsitenumber=$site and clarnumber=".
+					$atual["clarnumber"]);
+				$del++;
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["claranswer"]=="") $atual["claranswer"]="null";
+			else $atual["claranswer"]="'".escape_string($atual["claranswer"])."'";
+			if ($atual["clarjudge"]=="") $atual["clarjudge"]="null";
+			if ($atual["clarjudgesite"]=="") $atual["clarjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update clartable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"clardate=".$atual["clardate"].",".
+						"clardatediff=".$atual["clardatediff"].",".
+						"clardatediffans=".$atual["clardatediffans"].",".
+						"clarproblem=".$atual["clarproblem"].",".
+						"clardata='".escape_string($atual["clardata"])."',".
+						"claranswer=".$atual["claranswer"].",".
+						"clarstatus='".escape_string($atual["clarstatus"])."',".
+						"clarjudge=".$atual["clarjudge"].",".
+						"clarjudgesite=".$atual["clarjudgesite"].",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and clarsitenumber=".$atual["clarsitenumber"].
+					" and clarnumber=".$atual["clarnumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if($situacao[$j]=="inserir") {
+				DBExec ($c, "insert into clartable (contestnumber, clarsitenumber, clarnumber, usernumber, clardate,".
+					"clardatediff, clardatediffans, clarproblem, clardata, claranswer, clarstatus, clarjudge, clarjudgesite, updatetime) ".
+					"values (".$contest.",".$atual["clarsitenumber"].",".$atual["clarnumber"].",".$atual["usernumber"].",".
+                                                $atual["clardate"].",".
+                                                $atual["clardatediff"].",".
+                                                $atual["clardatediffans"].",".
+                                                $atual["clarproblem"].",".
+                                                "'".escape_string($atual["clardata"])."',".
+                                                $atual["claranswer"].",".
+                                                "'".escape_string($atual["clarstatus"])."',".
+                                                $atual["clarjudge"].",".
+                                                $atual["clarjudgesite"].",".
+                                                $atual["updatetime"].")");
+				$ins++;
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando clars
+		$r = DBExec ($t, "select * from clartable where contestnumber=$contest and clarsitenumber=$localsite");
+		$rr = DBExec ($c, "select * from clartable where contestnumber=$contest and clarsitenumber=$localsite");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "clars: external(site=$site, reading=$localsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["clarnumber"]==$aqui["clarnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["clarsitenumber"]==$aqui["clarsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["claranswer"]=="") $atual["claranswer"]="null";
+			else $atual["claranswer"]="'".escape_string($atual["claranswer"])."'";
+			if ($atual["clarjudge"]=="") $atual["clarjudge"]="null";
+			if ($atual["clarjudgesite"]=="") $atual["clarjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update clartable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"clardate=".$atual["clardate"].",".
+						"clardatediff=".$atual["clardatediff"].",".
+						"clardatediffans=".$atual["clardatediffans"].",".
+						"clarproblem=".$atual["clarproblem"].",".
+						"clardata='".escape_string($atual["clardata"])."',".
+						"claranswer=".$atual["claranswer"].",".
+						"clarstatus='".escape_string($atual["clarstatus"])."',".
+						"clarjudge=".$atual["clarjudge"].",".
+						"clarjudgesite=".$atual["clarjudgesite"].",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and clarsitenumber=".$atual["clarsitenumber"].
+					" and clarnumber=".$atual["clarnumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if($situacao[$j]=="inserir") {
+				$ins++;
+				echo "Clar inserts shouldn't exist (clarnumber=".$atual["clarnumber"].")...\n";
+			}
+		}
+		echo "   updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando runs
+		$r = DBExec ($t, "select * from runtable where contestnumber=$contest and runsitenumber=$site");
+		$rr = DBExec ($c, "select * from runtable where contestnumber=$contest and runsitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "runs: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["runnumber"]==$aqui["runnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["runsitenumber"]==$aqui["runsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"]) {
+						$situacao[$j]="atualizar";
+					}
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				$del++;
+				DBExec($c, "delete from runtable where contestnumber=$contest and runsitenumber=$site and runnumber=".
+					$atual["runnumber"]);
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+/*
+			$r2 = DBExec ($c,"select * from runtable where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+                                        " and runnumber=".$atual["runnumber"]." for update");
+			if (DBnLines($r2)>0) {
+				$p = DBRow($r2, 0);
+				DB_lo_unlink($c, $p["rundata"]);
+			}
+*/
+			if ($atual["runjudge"]=="") $atual["runjudge"]="null";
+			if ($atual["runjudgesite"]=="") $atual["runjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update runtable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"rundate=".$atual["rundate"].",".
+						"rundatediff=".$atual["rundatediff"].",".
+						"rundatediffans=".$atual["rundatediffans"].",".
+						"runproblem=".$atual["runproblem"].",".
+						"runlangnumber=".$atual["runlangnumber"].",".
+						"runanswer=".$atual["runanswer"].",".
+						"runstatus='".escape_string($atual["runstatus"])."',".
+						"runjudge=".$atual["runjudge"].",".
+						"runjudgesite=".$atual["runjudgesite"].",".
+						"runfilename='".escape_string($atual["runfilename"])."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+					" and runnumber=".$atual["runnumber"]." and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($t, "begin work");
+				$in = DB_lo_open($t, $atual["rundata"], "r");
+				if (!$in) $o="0";
+				else {
+					$o = DB_lo_create ($c);
+					$out = DB_lo_open ($c, $o, "w");
+					while (($buf = DB_lo_read ($in, 1000)) != false)
+						DB_lo_write ($out, $buf);
+					DB_lo_close ($out);
+					DB_lo_close ($in);
+
+					$in = DB_lo_open($t, $atual["rundata"], "r");
+					if (!$in) {
+						$o="0";
+				                LOGLevel("Run not saved as file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+							",contest=$contest", 1);
+					} else {
+						$sitess=$atual["runsitenumber"];
+						$nss=$atual["runnumber"];
+						$user=$atual["usernumber"];
+						$problem=$atual["runproblem"];
+						$filename=escape_string($atual["runfilename"]);
+						$ttimet=$atual["rundate"];
+				                $fp = fopen("/tmp/boca/contest${contest}.site${sitess}.run${nss}.user${user}.".
+								"problem${problem}.time${ttimet}.${filename}", "w");
+						if ($fp) {
+							while (($buf = DB_lo_read ($in, 1000)) != false)
+								fwrite ($fp, $buf);
+							fclose ($fp);
+					                $fp = fopen("/tmp/check/contest${contest}.site${sitess}.run${nss}.user${user}.".
+									"problem${problem}.time${ttimet}.${filename}.check", "w");
+							if ($fp) {
+								fwrite($fp, "1");
+								fclose ($fp);
+							}
+							else 
+							LOGLevel("Run not saved as check file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+									",contest=$contest", 1);
+						} else
+					                LOGLevel("Run not saved as file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+								",contest=$contest", 1);
+						DB_lo_close ($out);
+					}
+
+				}
+				DBExec ($c, "insert into runtable (contestnumber, runsitenumber, runnumber, usernumber, rundate,".
+					"rundatediff, rundatediffans, runproblem, runfilename, rundata, runanswer, runstatus, runjudge,".
+					"runjudgesite, runlangnumber, updatetime) ".
+					"values (".$contest.",".$atual["runsitenumber"].",".$atual["runnumber"].",".$atual["usernumber"].",".
+                                                $atual["rundate"].",".
+                                                $atual["rundatediff"].",".
+                                                $atual["rundatediffans"].",".
+                                                $atual["runproblem"].",".
+                                                "'".escape_string($atual["runfilename"])."',$o,".
+                                                $atual["runanswer"].",".
+                                                "'".escape_string($atual["runstatus"])."',".
+                                                $atual["runjudge"].",".
+                                                $atual["runjudgesite"].",".
+                                                $atual["runlangnumber"].",".
+                                                $atual["updatetime"].")");
+				DBExec ($t, "commit work");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando runs
+		$r = DBExec ($t, "select * from runtable where contestnumber=$contest and runsitenumber=$localsite");
+		$rr = DBExec ($c, "select * from runtable where contestnumber=$contest and runsitenumber=$localsite");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "runs: external(site=$site, reading=$localsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["runnumber"]==$aqui["runnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["runsitenumber"]==$aqui["runsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"]) {
+						$situacao[$j]="atualizar";
+
+
+						if ($la["runanswer"] != "") {
+							$rrr = DBExec($c, "select * from answertable where answernumber=".$la["runanswer"].
+								" and contestnumber=".$la["contestnumber"]);
+							$ans = (DBnLines($rrr)>0)? DBRow($rrr, 0) : null;
+							if ($ans == null) {
+		                        			echo "Problem with the answer table. Unable to send balloon because the answer was " .
+									"not found (run=".$la["runnumber"].", site=".$la["runsite"].", contest=" .
+									$la["contestnumber"].", answer=".$la["runanswer"].").";
+								$yesla = 'x';
+			        		        } else $yesla = $ans["yes"];
+						} else $yesla='f';
+						if ($aqui["runanswer"] != "") {
+							$rrr = DBExec($c, "select * from answertable where answernumber=".$aqui["runanswer"].
+								" and contestnumber=".$aqui["contestnumber"]);
+							$ans = (DBnLines($rrr)>0)? DBRow($rrr, 0) : null;
+							if ($ans == null) {
+		                        			echo "Problem with the answer table. Unable to send balloon because the answer was " .
+									"not found (run=".$aqui["runnumber"].", site=".$aqui["runsite"].", contest=" .
+									$aqui["contestnumber"].", answer=".$aqui["runanswer"].").";
+								$yesaqui = 'x';
+			        		        } else $yesaqui = $ans["yes"];
+						} else $yesaqui='f';
+
+						if ($yesla == 't' && $yesaqui == 'f') {
+							$rrr = DBExec ($c, "select * from sitetable where contestnumber=".$aqui["contestnumber"].
+								" and sitenumber=$localsite");
+							if (DBnLines($rrr)<=0)
+								echo "Site info not found (contest=${aqui["contestnumber"]}, site=$localsite).";
+							else {
+								$b = DBRow($rrr,0);
+						                $ti = $b["sitestartdate"];
+						                $tempo = time();
+						                $ta = $tempo - $ti;
+						                $tf = $b["sitelastmileanswer"];
+//						                if ($ta < $tf) {
+									$rrr = DBExec ($c, "select * from usertable where contestnumber=".
+										$aqui["contestnumber"]." and usersitenumber=$localsite and usernumber=".
+										$aqui["usernumber"]);
+									if (DBnLines($rrr)<=0)
+										echo "User info not found (contest=${aqui["contestnumber"]}, ".
+											"site=$localsite, user=${aqui["runusernumber"]}).";
+									else {
+							                        $u = DBRow ($rrr,0);
+										$rrr = DBExec ($c, "select * from problemtable where contestnumber=".
+											$aqui["contestnumber"]." and problemnumber=".
+											$aqui["runproblem"]);
+										if (DBnLines($rrr)<=0)
+											echo "Problem info not found (contest=${aqui["contestnumber"]}, ".
+												"problem=${aqui["runproblem"]}).";
+										else {
+							                        	$p = DBRow ($rrr,0);
+							                	        mail("balloon@mainserver", "YES: team=" . $u["username"] . 
+												", problem=" . $p["problemname"],
+				                                				"User ".$u["username"] ." should receive a balloon for ".
+											$p["problemfullname"]."\n");
+										}
+									}
+//								}
+							}
+					        } else if ($yesla == 'f' && $yesaqui == 't') {
+							$rrr = DBExec ($c, "select * from usertable where contestnumber=".
+								$aqui["contestnumber"]." and usersitenumber=$localsite and usernumber=".
+								$aqui["usernumber"]);
+							if (DBnLines($rrr)<=0)
+								echo "User info not found (contest=${aqui["contestnumber"]}, ".
+									"site=$localsite, user=${aqui["runusernumber"]}).";
+							else {
+					                        $u = DBRow ($rrr,0);
+								$rrr = DBExec ($c, "select * from problemtable where contestnumber=".
+									$aqui["contestnumber"]." and problemnumber=".
+									$aqui["runproblem"]);
+								if (DBnLines($rrr)<=0)
+									echo "Problem info not found (contest=${aqui["contestnumber"]}, ".
+										"problem=${aqui["runproblem"]}).";
+								else {
+					                        	$p = DBRow ($rrr,0);
+									mail("balloon@mainserver", "NO: team=" . $u["username"] . 
+										", problem=" . $p["problemname"],
+										"Remove the balloon from user ". $u["username"] .
+										" for ".$p["problemfullname"]."\n");
+								}
+							}
+						}
+
+
+					}
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+
+			if ($atual["runjudge"]=="") $atual["runjudge"]="null";
+			if ($atual["runjudgesite"]=="") $atual["runjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update runtable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"rundate=".$atual["rundate"].",".
+						"rundatediff=".$atual["rundatediff"].",".
+						"rundatediffans=".$atual["rundatediffans"].",".
+						"runproblem=".$atual["runproblem"].",".
+						"runlangnumber=".$atual["runlangnumber"].",".
+						"runanswer=".$atual["runanswer"].",".
+						"runstatus='".escape_string($atual["runstatus"])."',".
+						"runjudge=".$atual["runjudge"].",".
+						"runjudgesite=".$atual["runjudgesite"].",".
+						"runfilename='".escape_string($atual["runfilename"])."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+					" and runnumber=".$atual["runnumber"]." and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				echo "Run Inserts shouldn't exist (run=".$atual["runnumber"].")...";
+			}
+		}
+		echo "   updates=$upd, insertions=$ins\n\n";
+
+		DBExec($c, "commit work");
+		DBClose($t);
+	}
+	DBClose($c);
+}
+
+//fecha a conexao com o banco (isso nao eh realmente necessario, ja que o php/apache cuidam do servico)
+function DBClose($c) {
+	if ($c) pg_close($c);
+}
+//executar instrucao no banco de dados, parando em caso de erro quando $stop=1
+function DBExec($conn,$sql) {
+//	echo $sql . "\n";
+	$result = pg_exec ($conn, $sql);
+	if (!$result) {
+		echo "Unable to exec SQL in the database. SQL=(" . $sql . ")," .
+                         " Error=(" . pg_errormessage($conn) . ")\n";
+		exit;
+	}
+	return $result;
+}
+//devolve o numero de linhas da consulta
+function DBnlines ($result) {
+	return pg_numrows ($result);
+}
+//pega uma linha da consulta no formato de array
+function DBRow ($r, $i) {
+	return pg_fetch_array ($r, $i);
+}
+function escape_string($s) {
+	return str_replace("'", "''", $s);
+}
+if (getIP()!="UNKNOWN") exit;
+
+$x = DBConnect();
+if ($x==null) exit;
+$y = DBExec($x, "select * from contesttable where contestactive='t'");
+if (DBnLines($y)==0) {
+  echo "Unable to find the active contest in the database.\n";
+  exit;
+}
+$ct = DBRow($y,0);
+DBClose($x);
+GetExternalData($ct["contestnumber"]);
+
+?>
diff --git a/old/getextdata.php b/old/getextdata.php
new file mode 100644
index 0000000..7c9955d
--- /dev/null
+++ b/old/getextdata.php
@@ -0,0 +1,931 @@
+<?php
+//////////////////////////////////////////////////////////////////////////////////////////
+//BOCA Online Contest Administrator. Copyright (c) 2003-2004 Cassio Polpo de Campos.
+//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////////////
+
+//retorna ip do cliente
+function getIP() {
+        if (getenv("HTTP_CLIENT_IP"))
+                $ip = getenv("HTTP_CLIENT_IP");
+        else
+        if(getenv("HTTP_X_FORWARDED_FOR"))
+                $ip = getenv("HTTP_X_FORWARDED_FOR");
+        else
+        if(getenv("REMOTE_ADDR"))
+                $ip = getenv("REMOTE_ADDR");
+        else
+                $ip = "UNKNOWN";
+        $ip = strtok ($ip, ",");
+        return $ip;
+}
+//para compatibilidade com versoes velhas e novas do php
+function DB_lo_open($conn, $file, $mode) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loopen ($conn, $file, $mode);
+	else
+		return pg_lo_open ($conn, $file, $mode);
+}
+function DB_lo_read_all($id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loreadall ($id);
+	else
+		return pg_lo_read_all ($id);
+}
+function DB_lo_import($conn, $file) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loimport ($file, $conn);
+	else
+		return pg_lo_import ($conn, $file);
+}
+function DB_lo_close($id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loclose ($id);
+	else
+		return pg_lo_close ($id);
+}
+function DB_lo_unlink($c,$id) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_lounlink ($id,$c);
+	else
+		return pg_lo_unlink ($c,$id);
+}
+function DB_lo_create($conn) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_locreate ($conn);
+	else
+		return pg_lo_create ($conn);
+}
+function DB_lo_write($fp, $data) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_lowrite ($fp, $data);
+	else
+		return pg_lo_write ($fp, $data);
+}
+function DB_lo_read($fp, $len) {
+	if (strcmp(phpversion(),'4.2.0')<0)
+		return pg_loread ($fp, $len);
+	else
+		return pg_lo_read ($fp, $len);
+}
+
+//abrir conexao com o banco de dados
+function DBConnect() {
+	$dbconn="host=localhost dbname=bocadb user=bocauser password=boca";
+	$conn = pg_connect ($dbconn);
+	if (!$conn) {
+		echo "Unable to connect to local database\n";
+		return null;
+	}
+	return $conn;
+}
+function DBExtConnect($c, $contest, $site) {
+        $r = DBExec($c, "select * from sitetable where sitenumber=$site and contestnumber=$contest");
+	if (DBnLines($r)==0) {
+                echo "Unable to find the site in the database (site=$site, contest=$contest).\n";
+		exit;
+	}
+	$st = DBRow($r,0);
+
+	if(($f = file("sqlpass.php"))===false) $pass="boca";
+	else $pass=trim($f[1]);
+
+	// gambiarra para testar se a conexao esta de pe
+	$fp = fsockopen ($st["siteip"], 5432, $errno, $errstr, 10);
+	if (!$fp) {
+    		echo "$errstr ($errno). Aborting this connection (ip=".$st["siteip"].").\n";
+		return null;
+	}
+    	fclose ($fp);
+	// se a conexao cair entre o teste acima e o connect abaixo, esse script pode demorar ate
+	// dar o timeout (no meu teste foram cerca de 3min para cada timeout)
+
+	$conn = pg_connect ("host=" . $st["siteip"] . " dbname=bocadb user=bocauser password=$pass");
+	if (!$conn) {
+		echo "Unable to connect to site $site (ip=".$st["siteip"].")\n";
+		return null;
+	}
+	echo "Connected to " .$st["siteip"].". Let's exchange data...\n";
+	return $conn;
+}
+
+function GetExternalData ($contest) {
+	$c = DBConnect();
+        if ($c==null) return;
+	$r = DBExec($c, "select * from contesttable where contestnumber=$contest");
+	if (DBnLines($r)==0) {
+		echo "Unable to find the contest $contest in the database.\n";
+		exit;
+	}
+	$ct = DBRow($r,0);
+	$localsite = $ct["contestlocalsite"];
+	$mainsite = $ct["contestmainsite"];
+
+	if ($mainsite!=$localsite) {
+          $r = DBExec($c, "select * from sitetable where sitenumber=".$ct["contestmainsite"]." and contestnumber=$contest");
+  	  if (DBnLines($r)==0) {
+                echo "Unable to find the main site in the database (site=$site, contest=$contest).\n";
+		exit;
+	  }
+	  $st = DBRow($r,0);
+	  if (($t = DBExtConnect($c, $contest, $st["sitenumber"]))!=null) {
+		DBExec($c, "begin work");
+
+		// sincronizando contest
+		$r = DBExec ($t, "select * from contesttable where contestnumber=$contest");
+		$n = DBnLines ($r);
+		$atual = DBRow($r,0);
+		if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+		DBExec ($c, "update contesttable set ".
+					"contestduration=".$atual["contestduration"].",".
+					"conteststartdate=".$atual["conteststartdate"].",".
+					"contestmaxfilesize=".$atual["contestmaxfilesize"].",".
+					"contestactive='".$atual["contestactive"]."',".
+					//"contestmainsite=".$atual["contestmainsite"].",".
+					"contestname='".escape_string($atual["contestname"])."',".
+					"contestlastmileanswer=".$atual["contestlastmileanswer"].",".
+					"contestlastmilescore=".$atual["contestlastmilescore"].",".
+					"contestpenalty=".$atual["contestpenalty"].",".
+					"updatetime=".$atual["updatetime"].
+				" where contestnumber=$contest and updatetime<".$atual["updatetime"]);
+		
+		// sincronizando answers
+		$r = DBExec ($t, "select * from answertable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from answertable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "answers: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["answernumber"]==$aqui["answernumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from answertable where contestnumber=$contest and answernumber=".$atual["answernumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update answertable set ".
+						"runanswer='".$atual["runanswer"]."',".
+						"yes='".$atual["yes"]."',".
+						"fake='".$atual["fake"]."',".
+						"updatetime=".$atual["updatetime"].
+						" where contestnumber=$contest and answernumber=".$atual["answernumber"].
+						" and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($c,"insert into answertable (contestnumber, answernumber, runanswer, yes, fake, updatetime) values (" .
+					$contest.",".$atual["answernumber"].",'".$atual["runanswer"]."','".$atual["yes"]."',".
+					"'".$atual["fake"]."',".$atual["updatetime"].")");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando languages
+		$r = DBExec ($t, "select * from langtable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from langtable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "languages: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["langnumber"]==$aqui["langnumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from langtable where contestnumber=$contest and langnumber=".$atual["langnumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update langtable set ".
+						"langname='".escape_string($atual["langname"])."',".
+						"updatetime=".$atual["updatetime"].
+						" where contestnumber=$contest and langnumber=".$atual["langnumber"].
+						" and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($c,"insert into langtable (contestnumber, langnumber, langname, updatetime) values ($contest,".$atual["langnumber"].
+					",'".escape_string($atual["langname"])."',".$atual["updatetime"].")");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando problems
+		$r = DBExec ($t, "select * from problemtable where contestnumber=$contest");
+		$rr = DBExec ($c, "select * from problemtable where contestnumber=$contest for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "problems: external(site=$mainsite, reading=$mainsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["problemnumber"]==$aqui["problemnumber"] && $la["contestnumber"]==$aqui["contestnumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0; $upd=0; $ins=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from problemtable where contestnumber=$contest and problemnumber=".$atual["problemnumber"]);
+				$del++;
+			}
+		}
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="inserir") {
+				$ins++; $upd--;
+				DBExec($c,"insert into problemtable (contestnumber, problemnumber, problemname, updatetime) values ($contest,".
+					$atual["problemnumber"].",'".escape_string($atual["problemname"])."', 0)");
+			}
+			if ($situacao[$j]=="atualizar" || $situacao[$j]=="inserir") {
+				$upd++;
+				$p = DBRow($r2, 0);
+				if ($p["probleminputfile"]>0) DB_lo_unlink($c, $p["probleminputfile"]);
+				if ($p["problemsolfile"]>0) DB_lo_unlink($c, $p["problemsolfile"]);
+				DBExec($t, "begin work");
+				if ($atual["probleminputfile"]=="") $inputfile="null";
+				else {
+					$in = DB_lo_open($t, $atual["probleminputfile"], "r");
+					if (!$in) $inputfile="null";
+					else {
+						$inputfile = DB_lo_create ($c);
+						$out = DB_lo_open ($c, $inputfile, "w");
+						while (($buf = DB_lo_read ($in, 100000)) != false)
+							DB_lo_write ($out, $buf);
+						DB_lo_close ($out);
+						DB_lo_close ($in);
+					}
+				}
+				if ($atual["problemsolfile"]=="") $solfile="null";
+				else {
+					$in = DB_lo_open($t, $atual["problemsolfile"], "r");
+					if (!$in) $solfile="null";
+					else {
+						$solfile = DB_lo_create ($c);
+						$out = DB_lo_open ($c, $solfile, "w");
+						while (($buf = DB_lo_read ($in, 100000)) != false)
+							DB_lo_write ($out, $buf);
+						DB_lo_close ($out);
+						DB_lo_close ($in);
+					}
+				}
+				DBExec ($t, "commit work");
+
+				DBExec ($c, "update problemtable set ".
+						"problemname='".escape_string($atual["problemname"])."',".
+						"problemfullname='".escape_string($atual["problemfullname"])."',".
+						"problembasefilename='".escape_string($atual["problembasefilename"])."',".
+						"probleminputfilename='".escape_string($atual["probleminputfilename"])."',".
+						"problemsolfilename='".escape_string($atual["problemsolfilename"])."',".
+						"fake='".$atual["fake"]."',".
+						"probleminputfile=".$inputfile.",".
+						"problemsolfile=".$solfile.",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and problemnumber=".$atual["problemnumber"].
+					" and updatetime<".$atual["updatetime"]);
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+		DBExec($c, "commit work");
+	  }
+
+	}
+
+	$r = DBExec ($c, "select * from sitetable where contestnumber=$contest");
+	$n = DBnlines($r);
+	if ($n == 0) {
+		echo "Unable to find sites in the database.\n";
+		exit;
+	}
+	$st = array();
+	for ($i=0;$i<$n;$i++) {
+		$st[$i] = DBRow($r,$i);
+	}
+	
+	for ($i=0; $i<count($st); $i++) {
+		$site=$st[$i]["sitenumber"];
+		if ($site==$ct["contestlocalsite"]) continue;
+		if (($t = DBExtConnect($c, $contest, $site))==null) continue;
+		DBExec($c, "begin work");
+
+		// sincronizando site
+		$r = DBExec ($t, "select * from sitetable where contestnumber=$contest and sitenumber=$site");
+		$rr = DBExec ($c, "select * from sitetable where contestnumber=$contest and sitenumber=$site for update");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		$atual = DBRow($r,0);
+		$p = DBRow($rr,0);
+//		if ($p["updatetime"]<$atual["updatetime"]) {
+			if ($atual["sitestartdate"]=="") $atual["sitestartdate"]="null";
+			if ($atual["sitelastmilescore"]=="") $atual["sitelastmilescore"]="null";
+			if ($atual["sitelastmileanswer"]=="") $atual["sitelastmileanswer"]="null";
+			if ($atual["siteenddate"]=="") $atual["siteenddate"]="null";
+			if ($atual["siteendeddate"]=="") $atual["siteendeddate"]="null";
+			if ($atual["siteautoend"]!="t") $atual["siteautoend"]="f";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			DBExec ($c, "update sitetable set ".
+				//"siteip='".escape_string($atual["siteip"])."',".
+				"sitename='".escape_string($atual["sitename"])."',".
+				"siteactive='".escape_string($atual["siteactive"])."',".
+				"sitepermitlogins='".escape_string($atual["sitepermitlogins"])."',".
+				"sitestartdate=".$atual["sitestartdate"].",".
+				"sitelastmilescore=".$atual["sitelastmilescore"].",".
+				"sitelastmileanswer=".$atual["sitelastmileanswer"].",".
+				"siteenddate=".$atual["siteenddate"].",".
+				"siteendeddate=".$atual["siteendeddate"].",".
+				"siteautoend='".escape_string($atual["siteautoend"])."',".
+				"sitejudging='".escape_string($atual["sitejudging"])."',".
+				"siteglobalscore='".escape_string($atual["siteglobalscore"])."',".
+				"sitescorelevel=".$atual["sitescorelevel"].",".
+				"sitenextuser=".$atual["sitenextuser"].",".
+				"sitenextclar=".$atual["sitenextclar"].",".
+				"sitenextrun=".$atual["sitenextrun"].",".
+				"updatetime=".$atual["updatetime"].
+				" where contestnumber=$contest and sitenumber=".$atual["sitenumber"]);
+//				." and updatetime<".$atual["updatetime"]);
+//		}
+
+		// sincronizando users
+		$r = DBExec ($t, "select * from usertable where contestnumber=$contest and usersitenumber=$site");
+		$rr = DBExec ($c, "select * from usertable where contestnumber=$contest and usersitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "users: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["usernumber"]==$aqui["usernumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["usersitenumber"]==$aqui["usersitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from usertable where contestnumber=$contest and usersitenumber=$site and usernumber=".
+					$atual["usernumber"]);
+				$del++;
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["userlastlogin"]=="") $atual["userlastlogin"]="null";
+			if ($atual["userlastlogout"]=="") $atual["userlastlogout"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update usertable set ".
+						"username='".escape_string($atual["username"])."',".
+						"userfullname='".escape_string($atual["userfullname"])."',".
+						"userdesc='".escape_string($atual["userdesc"])."',".
+						"usertype='".escape_string($atual["usertype"])."',".
+						"userenabled='".$atual["userenabled"]."',".
+						"usermultilogin='".$atual["usermultilogin"]."',".
+						"userpassword='".$atual["userpassword"]."',".
+						"userip='".$atual["userip"]."',".
+						"userlastlogin=".$atual["userlastlogin"].",".
+						"userlastlogout=".$atual["userlastlogout"].",".
+						"usersession='".$atual["usersession"]."',".
+						"userpermitip='".$atual["userpermitip"]."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and usersitenumber=".$atual["usersitenumber"].
+					" and usernumber=".$atual["usernumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if ($situacao[$j]=="inserir") {
+				DBExec ($c, "insert into usertable (username, userfullname, userdesc, usertype, userenabled, usermultilogin, ".
+						"userpassword, userip, userlastlogin, userlastlogout, usersession, userpermitip, updatetime, ".
+						"contestnumber, usersitenumber, usernumber) values (".
+						"'".escape_string($atual["username"])."',".
+						"'".escape_string($atual["userfullname"])."',".
+						"'".escape_string($atual["userdesc"])."',".
+						"'".$atual["usertype"]."',".
+						"'".$atual["userenabled"]."',".
+						"'".$atual["usermultilogin"]."',".
+						"'".$atual["userpassword"]."',".
+						"'".$atual["userip"]."',".
+						$atual["userlastlogin"].",".
+						$atual["userlastlogout"].",".
+						"'".$atual["usersession"]."',".
+						"'".$atual["userpermitip"]."',".
+						$atual["updatetime"].",$contest,".$atual["usersitenumber"].",".$atual["usernumber"].")");
+				$ins++;
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando clars
+		$r = DBExec ($t, "select * from clartable where contestnumber=$contest and clarsitenumber=$site");
+		$rr = DBExec ($c, "select * from clartable where contestnumber=$contest and clarsitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "clars: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["clarnumber"]==$aqui["clarnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["clarsitenumber"]==$aqui["clarsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				DBExec($c, "delete from clartable where contestnumber=$contest and clarsitenumber=$site and clarnumber=".
+					$atual["clarnumber"]);
+				$del++;
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["claranswer"]=="") $atual["claranswer"]="null";
+			else $atual["claranswer"]="'".escape_string($atual["claranswer"])."'";
+			if ($atual["clarjudge"]=="") $atual["clarjudge"]="null";
+			if ($atual["clarjudgesite"]=="") $atual["clarjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update clartable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"clardate=".$atual["clardate"].",".
+						"clardatediff=".$atual["clardatediff"].",".
+						"clardatediffans=".$atual["clardatediffans"].",".
+						"clarproblem=".$atual["clarproblem"].",".
+						"clardata='".escape_string($atual["clardata"])."',".
+						"claranswer=".$atual["claranswer"].",".
+						"clarstatus='".escape_string($atual["clarstatus"])."',".
+						"clarjudge=".$atual["clarjudge"].",".
+						"clarjudgesite=".$atual["clarjudgesite"].",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and clarsitenumber=".$atual["clarsitenumber"].
+					" and clarnumber=".$atual["clarnumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if($situacao[$j]=="inserir") {
+				DBExec ($c, "insert into clartable (contestnumber, clarsitenumber, clarnumber, usernumber, clardate,".
+					"clardatediff, clardatediffans, clarproblem, clardata, claranswer, clarstatus, clarjudge, clarjudgesite, updatetime) ".
+					"values (".$contest.",".$atual["clarsitenumber"].",".$atual["clarnumber"].",".$atual["usernumber"].",".
+                                                $atual["clardate"].",".
+                                                $atual["clardatediff"].",".
+                                                $atual["clardatediffans"].",".
+                                                $atual["clarproblem"].",".
+                                                "'".escape_string($atual["clardata"])."',".
+                                                $atual["claranswer"].",".
+                                                "'".escape_string($atual["clarstatus"])."',".
+                                                $atual["clarjudge"].",".
+                                                $atual["clarjudgesite"].",".
+                                                $atual["updatetime"].")");
+				$ins++;
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando clars
+		$r = DBExec ($t, "select * from clartable where contestnumber=$contest and clarsitenumber=$localsite");
+		$rr = DBExec ($c, "select * from clartable where contestnumber=$contest and clarsitenumber=$localsite");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "clars: external(site=$site, reading=$localsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["clarnumber"]==$aqui["clarnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["clarsitenumber"]==$aqui["clarsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"])
+						$situacao[$j]="atualizar";
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+			if ($atual["claranswer"]=="") $atual["claranswer"]="null";
+			else $atual["claranswer"]="'".escape_string($atual["claranswer"])."'";
+			if ($atual["clarjudge"]=="") $atual["clarjudge"]="null";
+			if ($atual["clarjudgesite"]=="") $atual["clarjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				DBExec ($c, "update clartable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"clardate=".$atual["clardate"].",".
+						"clardatediff=".$atual["clardatediff"].",".
+						"clardatediffans=".$atual["clardatediffans"].",".
+						"clarproblem=".$atual["clarproblem"].",".
+						"clardata='".escape_string($atual["clardata"])."',".
+						"claranswer=".$atual["claranswer"].",".
+						"clarstatus='".escape_string($atual["clarstatus"])."',".
+						"clarjudge=".$atual["clarjudge"].",".
+						"clarjudgesite=".$atual["clarjudgesite"].",".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and clarsitenumber=".$atual["clarsitenumber"].
+					" and clarnumber=".$atual["clarnumber"]." and updatetime<".$atual["updatetime"]);
+				$upd++;
+			} else if($situacao[$j]=="inserir") {
+				$ins++;
+				echo "Clar inserts shouldn't exist (clarnumber=".$atual["clarnumber"].")...\n";
+			}
+		}
+		echo "   updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando runs
+		$r = DBExec ($t, "select * from runtable where contestnumber=$contest and runsitenumber=$site");
+		$rr = DBExec ($c, "select * from runtable where contestnumber=$contest and runsitenumber=$site");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "runs: external(site=$site, reading=$site)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["runnumber"]==$aqui["runnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["runsitenumber"]==$aqui["runsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"]) {
+						$situacao[$j]="atualizar";
+					}
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$del=0;
+		for ($k=0; $k<$nn; $k++) {
+			$atual = DBRow($rr, $k);
+			if (!$needed[$k]) {
+				$del++;
+				DBExec($c, "delete from runtable where contestnumber=$contest and runsitenumber=$site and runnumber=".
+					$atual["runnumber"]);
+			}
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+/*
+			$r2 = DBExec ($c,"select * from runtable where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+                                        " and runnumber=".$atual["runnumber"]." for update");
+			if (DBnLines($r2)>0) {
+				$p = DBRow($r2, 0);
+				DB_lo_unlink($c, $p["rundata"]);
+			}
+*/
+			if ($atual["runjudge"]=="") $atual["runjudge"]="null";
+			if ($atual["runjudgesite"]=="") $atual["runjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update runtable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"rundate=".$atual["rundate"].",".
+						"rundatediff=".$atual["rundatediff"].",".
+						"rundatediffans=".$atual["rundatediffans"].",".
+						"runproblem=".$atual["runproblem"].",".
+						"runlangnumber=".$atual["runlangnumber"].",".
+						"runanswer=".$atual["runanswer"].",".
+						"runstatus='".escape_string($atual["runstatus"])."',".
+						"runjudge=".$atual["runjudge"].",".
+						"runjudgesite=".$atual["runjudgesite"].",".
+						"runfilename='".escape_string($atual["runfilename"])."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+					" and runnumber=".$atual["runnumber"]." and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				DBExec($t, "begin work");
+				$in = DB_lo_open($t, $atual["rundata"], "r");
+				if (!$in) $o="0";
+				else {
+					$o = DB_lo_create ($c);
+					$out = DB_lo_open ($c, $o, "w");
+					while (($buf = DB_lo_read ($in, 1000)) != false)
+						DB_lo_write ($out, $buf);
+					DB_lo_close ($out);
+					DB_lo_close ($in);
+
+					$in = DB_lo_open($t, $atual["rundata"], "r");
+					if (!$in) {
+						$o="0";
+				                LOGLevel("Run not saved as file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+							",contest=$contest", 1);
+					} else {
+						$sitess=$atual["runsitenumber"];
+						$nss=$atual["runnumber"];
+						$user=$atual["usernumber"];
+						$problem=$atual["runproblem"];
+						$filename=escape_string($atual["runfilename"]);
+						$ttimet=$atual["rundate"];
+				                $fp = fopen("/tmp/boca/contest${contest}.site${sitess}.run${nss}.user${user}.".
+								"problem${problem}.time${ttimet}.${filename}", "w");
+						if ($fp) {
+							while (($buf = DB_lo_read ($in, 1000)) != false)
+								fwrite ($fp, $buf);
+							fclose ($fp);
+					                $fp = fopen("/tmp/check/contest${contest}.site${sitess}.run${nss}.user${user}.".
+									"problem${problem}.time${ttimet}.${filename}.check", "w");
+							if ($fp) {
+								fwrite($fp, "1");
+								fclose ($fp);
+							}
+							else 
+							LOGLevel("Run not saved as check file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+									",contest=$contest", 1);
+						} else
+					                LOGLevel("Run not saved as file (run=".$atual["runnumber"].",site=".$atual["runsitenumber"].
+								",contest=$contest", 1);
+						DB_lo_close ($out);
+					}
+
+				}
+				DBExec ($c, "insert into runtable (contestnumber, runsitenumber, runnumber, usernumber, rundate,".
+					"rundatediff, rundatediffans, runproblem, runfilename, rundata, runanswer, runstatus, runjudge,".
+					"runjudgesite, runlangnumber, updatetime) ".
+					"values (".$contest.",".$atual["runsitenumber"].",".$atual["runnumber"].",".$atual["usernumber"].",".
+                                                $atual["rundate"].",".
+                                                $atual["rundatediff"].",".
+                                                $atual["rundatediffans"].",".
+                                                $atual["runproblem"].",".
+                                                "'".escape_string($atual["runfilename"])."',$o,".
+                                                $atual["runanswer"].",".
+                                                "'".escape_string($atual["runstatus"])."',".
+                                                $atual["runjudge"].",".
+                                                $atual["runjudgesite"].",".
+                                                $atual["runlangnumber"].",".
+                                                $atual["updatetime"].")");
+				DBExec ($t, "commit work");
+			}
+		}
+		echo "   deletions=$del, updates=$upd, insertions=$ins\n\n";
+
+		// sincronizando runs
+		$r = DBExec ($t, "select * from runtable where contestnumber=$contest and runsitenumber=$localsite");
+		$rr = DBExec ($c, "select * from runtable where contestnumber=$contest and runsitenumber=$localsite");
+		$n = DBnLines ($r);
+		$nn = DBnLines ($rr);
+		echo "runs: external(site=$site, reading=$localsite)=$n, local=$nn\n";
+		for ($k=0; $k<$nn; $k++) $needed[$k]=false;
+		for ($j=0;$j<$n;$j++) {
+			$la = DBRow($r,$j);
+			for ($k=0; $k<$nn; $k++) {
+				$aqui = DBRow($rr,$k);
+				if ($la["runnumber"]==$aqui["runnumber"] && $la["contestnumber"]==$aqui["contestnumber"] &&
+					$la["runsitenumber"]==$aqui["runsitenumber"]) {
+					$needed[$k]=true;
+					if ($la["updatetime"]>$aqui["updatetime"]) {
+						$situacao[$j]="atualizar";
+
+
+						if ($la["runanswer"] != "") {
+							$rrr = DBExec($c, "select * from answertable where answernumber=".$la["runanswer"].
+								" and contestnumber=".$la["contestnumber"]);
+							$ans = (DBnLines($rrr)>0)? DBRow($rrr, 0) : null;
+							if ($ans == null) {
+		                        			echo "Problem with the answer table. Unable to send balloon because the answer was " .
+									"not found (run=".$la["runnumber"].", site=".$la["runsite"].", contest=" .
+									$la["contestnumber"].", answer=".$la["runanswer"].").";
+								$yesla = 'x';
+			        		        } else $yesla = $ans["yes"];
+						} else $yesla='f';
+						if ($aqui["runanswer"] != "") {
+							$rrr = DBExec($c, "select * from answertable where answernumber=".$aqui["runanswer"].
+								" and contestnumber=".$aqui["contestnumber"]);
+							$ans = (DBnLines($rrr)>0)? DBRow($rrr, 0) : null;
+							if ($ans == null) {
+		                        			echo "Problem with the answer table. Unable to send balloon because the answer was " .
+									"not found (run=".$aqui["runnumber"].", site=".$aqui["runsite"].", contest=" .
+									$aqui["contestnumber"].", answer=".$aqui["runanswer"].").";
+								$yesaqui = 'x';
+			        		        } else $yesaqui = $ans["yes"];
+						} else $yesaqui='f';
+
+						if ($yesla == 't' && $yesaqui == 'f') {
+							$rrr = DBExec ($c, "select * from sitetable where contestnumber=".$aqui["contestnumber"].
+								" and sitenumber=$localsite");
+							if (DBnLines($rrr)<=0)
+								echo "Site info not found (contest=${aqui["contestnumber"]}, site=$localsite).";
+							else {
+								$b = DBRow($rrr,0);
+						                $ti = $b["sitestartdate"];
+						                $tempo = time();
+						                $ta = $tempo - $ti;
+						                $tf = $b["sitelastmileanswer"];
+//						                if ($ta < $tf) {
+									$rrr = DBExec ($c, "select * from usertable where contestnumber=".
+										$aqui["contestnumber"]." and usersitenumber=$localsite and usernumber=".
+										$aqui["usernumber"]);
+									if (DBnLines($rrr)<=0)
+										echo "User info not found (contest=${aqui["contestnumber"]}, ".
+											"site=$localsite, user=${aqui["runusernumber"]}).";
+									else {
+							                        $u = DBRow ($rrr,0);
+										$rrr = DBExec ($c, "select * from problemtable where contestnumber=".
+											$aqui["contestnumber"]." and problemnumber=".
+											$aqui["runproblem"]);
+										if (DBnLines($rrr)<=0)
+											echo "Problem info not found (contest=${aqui["contestnumber"]}, ".
+												"problem=${aqui["runproblem"]}).";
+										else {
+							                        	$p = DBRow ($rrr,0);
+							                	        mail("balloon@mainserver", "YES: team=" . $u["username"] . 
+												", problem=" . $p["problemname"],
+				                                				"User ".$u["username"] ." should receive a balloon for ".
+											$p["problemfullname"]."\n");
+										}
+									}
+//								}
+							}
+					        } else if ($yesla == 'f' && $yesaqui == 't') {
+							$rrr = DBExec ($c, "select * from usertable where contestnumber=".
+								$aqui["contestnumber"]." and usersitenumber=$localsite and usernumber=".
+								$aqui["usernumber"]);
+							if (DBnLines($rrr)<=0)
+								echo "User info not found (contest=${aqui["contestnumber"]}, ".
+									"site=$localsite, user=${aqui["runusernumber"]}).";
+							else {
+					                        $u = DBRow ($rrr,0);
+								$rrr = DBExec ($c, "select * from problemtable where contestnumber=".
+									$aqui["contestnumber"]." and problemnumber=".
+									$aqui["runproblem"]);
+								if (DBnLines($rrr)<=0)
+									echo "Problem info not found (contest=${aqui["contestnumber"]}, ".
+										"problem=${aqui["runproblem"]}).";
+								else {
+					                        	$p = DBRow ($rrr,0);
+									mail("balloon@mainserver", "NO: team=" . $u["username"] . 
+										", problem=" . $p["problemname"],
+										"Remove the balloon from user ". $u["username"] .
+										" for ".$p["problemfullname"]."\n");
+								}
+							}
+						}
+
+
+					}
+					else
+						$situacao[$j]="ok";
+					break;
+				}
+			}
+			if ($k>=$nn) $situacao[$j]="inserir";
+		}
+		$upd=0; $ins=0;
+		for ($j=0;$j<$n;$j++) {
+			$atual = DBRow($r,$j);
+
+			if ($atual["runjudge"]=="") $atual["runjudge"]="null";
+			if ($atual["runjudgesite"]=="") $atual["runjudgesite"]="null";
+			if ($atual["updatetime"]=="") $atual["updatetime"]=time();
+			if ($situacao[$j]=="atualizar") {
+				$upd++;
+				DBExec ($c, "update runtable set ".
+						"usernumber=".$atual["usernumber"].",".
+						"rundate=".$atual["rundate"].",".
+						"rundatediff=".$atual["rundatediff"].",".
+						"rundatediffans=".$atual["rundatediffans"].",".
+						"runproblem=".$atual["runproblem"].",".
+						"runlangnumber=".$atual["runlangnumber"].",".
+						"runanswer=".$atual["runanswer"].",".
+						"runstatus='".escape_string($atual["runstatus"])."',".
+						"runjudge=".$atual["runjudge"].",".
+						"runjudgesite=".$atual["runjudgesite"].",".
+						"runfilename='".escape_string($atual["runfilename"])."',".
+						"updatetime=".$atual["updatetime"].
+					" where contestnumber=$contest and runsitenumber=".$atual["runsitenumber"].
+					" and runnumber=".$atual["runnumber"]." and updatetime<".$atual["updatetime"]);
+			} else if ($situacao[$j]=="inserir") {
+				$ins++;
+				echo "Run Inserts shouldn't exist (run=".$atual["runnumber"].")...";
+			}
+		}
+		echo "   updates=$upd, insertions=$ins\n\n";
+
+		DBExec($c, "commit work");
+		DBClose($t);
+	}
+	DBClose($c);
+}
+
+//fecha a conexao com o banco (isso nao eh realmente necessario, ja que o php/apache cuidam do servico)
+function DBClose($c) {
+	if ($c) pg_close($c);
+}
+//executar instrucao no banco de dados, parando em caso de erro quando $stop=1
+function DBExec($conn,$sql) {
+//	echo $sql . "\n";
+	$result = pg_exec ($conn, $sql);
+	if (!$result) {
+		echo "Unable to exec SQL in the database. SQL=(" . $sql . ")," .
+                         " Error=(" . pg_errormessage($conn) . ")\n";
+		exit;
+	}
+	return $result;
+}
+//devolve o numero de linhas da consulta
+function DBnlines ($result) {
+	return pg_numrows ($result);
+}
+//pega uma linha da consulta no formato de array
+function DBRow ($r, $i) {
+	return pg_fetch_array ($r, $i);
+}
+function escape_string($s) {
+	return str_replace("'", "''", $s);
+}
+if (getIP()!="UNKNOWN") exit;
+
+$x = DBConnect();
+if ($x==null) exit;
+$y = DBExec($x, "select * from contesttable where contestactive='t'");
+if (DBnLines($y)==0) {
+  echo "Unable to find the active contest in the database.\n";
+  exit;
+}
+$ct = DBRow($y,0);
+DBClose($x);
+GetExternalData($ct["contestnumber"]);
+
+?>
diff --git a/old/import-system.txt b/old/import-system.txt
new file mode 100644
index 0000000..7a23479
--- /dev/null
+++ b/old/import-system.txt
@@ -0,0 +1,78 @@
+import-system.txt
+-----------------
+Last modified 20/aug/2007 by cassio@ime.usp.br
+
+************************************
+OUTDATED INFORMATION. PLEASE WAIT FOR A NEW VERSION OF THIS FILE.
+FOR MORE DETAILS, SEE THE EXAMPLE FILE: bits/import.txt
+************************************
+
+
+
+It's possible to create a language file
+(or use the same user file for it, putting the
+languages at the end). Following are some language
+examples, but it is recommended to insert the
+languages by the web pages directly. See the files
+run.sh and compare.sh for compiling/running script and
+comparing script respectively.
+
+
+[language]
+langnumber=1
+langname=C
+langscript=runscriptforlang1.sh
+#!/bin/bash
+echo este eh o runscript 1...
+exit 1
+***END***
+langcompscript=compscriptforlang1.sh
+#!/bin/bash
+echo este eh o compscript 1...
+exit 1
+***END***
+
+langnumber=2
+langname=C++
+langscript=runscriptforlang2.sh
+#!/bin/bash
+echo este eh o runscript 2...
+exit 2
+***END***
+langcompscript=compscriptforlang2.sh
+#!/bin/bash
+echo este eh o compscript 2...
+exit 2
+***END***
+
+langnumber=3
+langname=Java
+langscript=runscriptforlang3.sh
+#!/bin/bash
+echo este eh o runscript 3...
+exit 3
+***END***
+langcompscript=compscriptforlang3.sh
+#!/bin/bash
+echo este eh o compscript 3...
+exit 3
+***END***
+
+
+
+Contacts and Copyrights
+-----------------------
+BOCA Copyright (c) 2003- Cassio Polpo de Campos (cassio@ime.usp.br)
+http://www.ime.usp.br/~cassio/boca
+
+This software may be distributed under the terms of the Q Public
+License version 1.0. A copy of the license can be found with this
+software or at http://www.opensource.org/licenses/qtpl.php
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/old/import.php b/old/import.php
new file mode 100644
index 0000000..45dd4bd
--- /dev/null
+++ b/old/import.php
@@ -0,0 +1,280 @@
+<?php
+//////////////////////////////////////////////////////////////////////////////////////////
+//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////////////
+//Change list 
+// 17/aug/2007 by cassio@ime.usp.br: created
+// 25/aug/2007 by cassio@ime.usp.br: php initial tag changed to complete form
+
+require 'header.php';
+
+if (isset($_FILES["importfile"]) && isset($_POST["Submit"]) && $_FILES["importfile"]["name"]!="") {
+        if ($_POST["confirmation"] == "confirm") {
+                $type=myhtmlspecialchars($_FILES["importfile"]["type"]);
+                $size=myhtmlspecialchars($_FILES["importfile"]["size"]);
+                $name=myhtmlspecialchars($_FILES["importfile"]["name"]);
+                $temp=myhtmlspecialchars($_FILES["importfile"]["tmp_name"]);
+                if (!is_uploaded_file($temp)) {
+                        IntrusionNotify("file upload problem.");
+                        ForceLoad("../index.php");
+                }
+                if (($ar = file($temp)) === false) {
+                        IntrusionNotify("Unable to open the uploaded file.");
+                        ForceLoad("../index.php");
+                }
+		echo "<br>Starting to create the contest<br>";
+		$asep = trim($ar[0]);
+		$i=1;
+
+		for (; $i<count($ar) && strpos($ar[$i], "[contest]") === false; $i++) ;
+		for ($i++; $i<count($ar) && $ar[$i][0] != "["; $i++) {
+			$x = trim($ar[$i]);
+        		//contestname, startdate, duration, lastmileanswer, lastmilescore, penalty, contestactive
+			$tmp = explode("=", $x, 2);
+			$param[trim($tmp[0])]=trim($tmp[1]);
+		}
+		$nc = DBNewContest($param);
+		echo "<br>Contest $nc created<br>";
+
+		for (; $i<count($ar) && strpos($ar[$i], "[site]") === false; $i++) ;
+		while(strpos($ar[$i],"[site]") === true) {
+			for ($i++; $i<count($ar) && $ar[$i][0] != "["; $i++) {
+				$x = trim($ar[$i]);
+				// sitenumber, siteip, sitename, scorelevel 
+				$tmp = explode("=", $x, 2);
+				$param[trim($tmp[0])]=trim($tmp[1]);
+			}
+			DBNewSite($nc, null, $param);
+			echo "New site created<br>";
+		}
+
+		for (; $i<count($ar) && strpos($ar[$i], "[answer]") === false; $i++) ;
+		for ($i++; $i<count($ar) && $ar[$i][0] != "["; $i++) {
+			echo "<br>Searching for answers<br>\n";
+			$x = trim($ar[$i]);
+			if (strpos($x, "answ") !== false && strpos($x, "answ") == 0) {
+				unset($answnumber);
+				unset($answname);
+				unset($answyes);
+				while (strpos($x, "answ") !== false && strpos($x, "answ") == 0) {
+					$tmp = explode ("=", $x, 2);
+					switch (trim($tmp[0])) {
+						case "answernumber":		$answnumber	=trim($tmp[1]); break;
+						case "answername":		$answname	=trim($tmp[1]); break;
+						case "answeryes":		$answyes	=trim($tmp[1]); break;
+					}
+					$i++;
+					if ($i>=count($ar)) break;
+					$x = trim($ar[$i]);
+				}
+				if (isset($answnumber) && is_numeric($answnumber) && isset($answname)) {
+					DBNewAnswer ($nc, $answnumber, $answname, $answyes);
+					echo "Answer $answnumber created<br>";
+				}
+			}
+		}
+
+		for (; $i<count($ar) && strpos($ar[$i], "[language]") === false; $i++) ;
+		for ($i++; $i<count($ar) && $ar[$i][0] != "["; $i++) {
+			echo "<br>Searching for languages<br>\n";
+			$x = trim($ar[$i]);
+			if (strpos($x, "lang") !== false && strpos($x, "lang") == 0) {
+				unset($langnumber);
+				unset($langname);
+				unset($langproblem);	
+				unset($script);
+				unset($compscript);
+				unset($langscript);
+				unset($langcompscript);
+				unset($langscripthash);
+				unset($langcompscripthash);
+				while (strpos($x, "lang") !== false && strpos($x, "lang") == 0) {
+					$tmp = explode ("=", $x, 2);
+					switch (trim($tmp[0])) {
+						case "langnumber":		$langnumber	=trim($tmp[1]); break;
+						case "langname":		$langname	=trim($tmp[1]); break;
+						case "langproblem":		$langproblem	=trim($tmp[1]); break;
+						case "langscripthash":		$langscripthash	=trim($tmp[1]); break;
+						case "langscript":		$langscript	=trim($tmp[1]);
+							$i++;
+							for ($j=1; trim($ar[$i]) != "***$asep***"; $j++) {
+								if(substr($langscript,0,7)!="base64:") $script .= $ar[$i];
+								else $script .= trim($ar[$i]);
+								$i++;
+							}
+							if(substr($langscript,0,7)=="base64:") {
+								$langscript = substr($langscript,7);
+								$script = base64_decode($script);
+							}
+							if(trim($langscripthash) != "" && myshorthash($script) != trim($langscripthash))
+								echo "ERROR: Hash of $langscript does not match $langscripthash, ".myshorthash($script)."<br>\n";
+							break;
+						case "langcompscripthash":	$langcompscripthash=trim($tmp[1]); break;
+						case "langcompscript":		$langcompscript	=trim($tmp[1]); 
+							$i++;
+							for ($j=1; trim($ar[$i]) != "***$asep***"; $j++) {
+								if(substr($langcompscript,0,7)!="base64:") $compscript .= $ar[$i];
+								else $compscript .= trim($ar[$i]);
+								$i++;
+							}
+							if(substr($langcompscript,0,7)=="base64:") {
+								$langcompscript = substr($langcompscript,7);
+								$compscript = base64_decode($compscript);
+							}
+							if(trim($langcompscripthash) != "" && myshorthash($compscript) != trim($langcompscripthash))
+								echo "ERROR: Hash of $langcompscript does not match<br>\n";
+							break;
+					}
+					$i++;
+					if ($i>=count($ar)) break;
+					$x = trim($ar[$i]);
+				}
+				if (isset($langnumber) && is_numeric($langnumber) && isset($langname)) {
+					DBNewLanguage ($nc,
+					  $langnumber, $langname, $langproblem, '', '', 
+					  $langshowingoutput, $script, $langscript, $compscript, $langcompscript, 1, 1);
+					echo "Language $langnumber created<br>";
+				}
+			}
+		}
+
+		for (; $i<count($ar) && strpos($ar[$i], "[problem]") === false; $i++) ;
+		for ($i++; $i<count($ar) && $ar[$i][0] != "["; $i++) {
+			echo "<br>Searching for problems<br>\n";
+			$x = trim($ar[$i]);
+			if (strpos($x, "prob") !== false && strpos($x, "prob") == 0) {
+				unset($probnumber);
+				unset($probname);
+				unset($probfullname);	
+				unset($probbasename);
+				unset($probinputfile);
+				unset($probinputfilehash);
+				unset($probinputfilepath);
+				unset($probsolfile);
+				unset($probsolfilehash);
+				unset($probsolfilepath);
+				unset($probdescfile);
+				unset($probdescfilehash);
+				unset($probdescfilepath);
+				unset($probtimelimit);
+				unset($probcolorname);
+				unset($probcolor);
+				while (strpos($x, "prob") !== false && strpos($x, "prob") == 0) {
+					$tmp = explode ("=", $x, 2);
+					switch (trim($tmp[0])) {
+						case "probnumber":		$probnumber	=trim($tmp[1]); break;
+						case "probname":		$probname	=trim($tmp[1]); break;
+						case "probfullname":		$probfullname	=trim($tmp[1]); break;
+						case "probbasename":	 	$probbasename	=trim($tmp[1]); break;
+						case "probtimelimit":		$probtimelimit	=trim($tmp[1]); break;
+						case "probcolorname":		$probcolorname	=trim($tmp[1]); break;
+						case "probcolor":		$probcolor	=trim($tmp[1]); break;
+						case "probinputfilehash":	$probinputfilehash  =trim($tmp[1]); break;
+						case "probinputfile":		$probinputfile  =trim($tmp[1]); 
+							$i++;
+							for ($j=1; trim($ar[$i]) != "***$asep***"; $j++) {
+								if(substr($probinputfile,0,7)!="base64:") $probinputfilepath .= $ar[$i];
+								else $probinputfilepath .= trim($ar[$i]);
+								$i++;
+							}
+							if(substr($probinputfile,0,7)=="base64:") {
+								$probinputfile = substr($probinputfile,7);
+								$probinputfilepath = base64_decode($probinputfilepath);
+							}
+							if(trim($probinputfilehash) != "" && myshorthash($probinputfilepath) != trim($probinputfilehash))
+								echo "ERROR: Hash of $probinputfile does not match<br>\n";
+							break;
+						case "probsolfilehash":		$probsolfilehash	=trim($tmp[1]); break;
+						case "probsolfile":		$probsolfile	=trim($tmp[1]); 
+							$i++;
+							for ($j=1; trim($ar[$i]) != "***$asep***"; $j++) {
+								if(substr($probsolfile,0,7)!="base64:") $probsolfilepath .= $ar[$i];
+								else $probsolfilepath .= trim($ar[$i]);
+								$i++;
+							}
+							if(substr($probsolfile,0,7)=="base64:") {
+								$probsolfile = substr($probsolfile,7);
+								$probsolfilepath = base64_decode($probsolfilepath);
+							}
+							if(trim($probsolfilehash) != "" && myshorthash($probsolfilepath) != trim($probsolfilehash))
+								echo "ERROR: Hash of $probsolfile does not match<br>\n";
+							break;
+						case "probdescfilehash":		$probdescfilehash=trim($tmp[1]); break;
+						case "probdescfile":		$probdescfile	=trim($tmp[1]); 
+							$i++;
+							for ($j=1; trim($ar[$i]) != "***$asep***"; $j++) {
+								if(substr($probdescfile,0,7)!="base64:") $probdescfilepath .= $ar[$i];
+								else $probdescfilepath .= trim($ar[$i]);
+								$i++;
+							}
+							if(substr($probdescfile,0,7)=="base64:") {
+								$probdescfile = substr($probdescfile,7);
+								$probdescfilepath = base64_decode($probdescfilepath);
+							}
+							if(trim($probdescfilehash) != "" && myshorthash($probdescfilepath) != trim($probdescfilehash))
+								echo "ERROR: Hash of $probdescfile does not match<br>\n";
+							break;
+					}
+					$i++;
+					if ($i>=count($ar)) break;
+					$x = trim($ar[$i]);
+				}
+				if (isset($probnumber) && is_numeric($probnumber) && isset($probname) &&
+				    isset($probfullname) && isset($probbasename) && 
+				    isset($probtimelimit) && isset($probcolorname) && isset($probcolor)) {
+					DBNewProblem ($nc,
+					  $probnumber, $probname, $probfullname, $probbasename, $probinputfile, 
+                       		          $probinputfilepath, $probsolfile, $probsolfilepath, 'f', $probdescfile, $probdescfilepath, 
+					  $probtimelimit, $probcolorname, $probcolor, 1, 1, 1);
+					echo "Problem $probnumber created<br>";
+				}
+			}
+		}
+	}
+	echo "</body></html>";
+	exit;
+}
+?>
+<br>
+<br>
+<center><b>
+To import a pre-defined contest, just fill in the import file field.</b></center>
+<br>
+<form name="form1" enctype="multipart/form-data" method="post" action="import.php">
+  <input type=hidden name="confirmation" value="noconfirm" />
+  <center>
+    <table border="0">
+      <tr>
+        <td width="25%" align=right>Import file:</td>
+        <td width="75%">
+          <input type="file" name="importfile" size="40">
+        </td>
+      </tr>
+    </table>
+  </center>
+  <script language="javascript">
+    function conf() {
+      if (confirm("Confirm?")) {
+        document.form1.confirmation.value='confirm';
+      }
+    }
+  </script>
+  <center>
+      <input type="submit" name="Submit" value="Import" onClick="conf()">
+      <input type="reset" name="Submit2" value="Clear">
+  </center>
+</form>
+
+</body>
+</html>
+
diff --git a/old/import.txt b/old/import.txt
new file mode 100644
index 0000000..7af6b5b
--- /dev/null
+++ b/old/import.txt
@@ -0,0 +1,1143 @@
+end123
+
+[contest]
+contestname=Fase Regional da Maratona de Programacao 2007
+scorelevel=4
+sitename=Nome do meu site
+startdate=1190480400
+
+[site]
+
+[answer]
+answernumber=1
+answername=NO - Compile error
+answeryes=f
+
+answernumber=2
+answername=NO - Runtime error
+answeryes=f
+
+answernumber=3
+answername=NO - Time limit exceeded
+answeryes=f
+
+answernumber=4
+answername=YES
+answeryes=t
+
+answernumber=5
+answername=NO - Presentation error
+answeryes=f
+
+answernumber=6
+answername=NO - Wrong answer
+answeryes=f
+
+answernumber=7
+answername=NO - Contact staff
+answeryes=f
+
+answernumber=8
+answername=NO - Problem/File name mismatch
+answeryes=f
+
+[language]
+langnumber=1
+langname=C
+langscriptmd5=7da844fdb1408384529484e9010b6b5d
+langscript=run.sh
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 21/aug/2007 by cassio@ime.usp.br
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened:
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+chown nobody.nogroup .
+
+export CLASSPATH=.:$CLASSPATH
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+gcc=`which gcc`
+[ -x "$gcc" ] || gcc=/usr/bin/gcc
+gpp=`which g++`
+[ -x "$gpp" ] || gpp=/usr/bin/g++
+java=`which java`
+[ -x "$java" ] || java=/usr/java/bin/java
+javac=`which javac`
+[ -x "$javac" ] || javac=/usr/java/bin/javac
+pascal=`which fpc`
+[ -x "$pascal" ] || pascal=/usr/bin/fpc
+grep=`which grep`
+[ -x "$grep" ] || grep=/bin/grep
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r "$2" ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r "$3" ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x "$sf" ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+# note that problems should spelling the same as inside BOCA
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+# choose the compiler according to the language
+# note that languages should spelling the same as inside BOCA
+case "$4" in
+C)
+	$gcc -lm -o "$prefix" "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -n0 -R. "./$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+                    ret=0
+		fi
+	fi
+	;;
+C++)
+	$gpp -lm -o "$prefix" "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -n0 -R. "./$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+                    ret=0
+		fi
+	fi
+	;;
+Pascal)
+	$pascal -o"$prefix" "$name" >compiler.out 2>compiler.out
+        $grep -irq linking compiler.out
+	ret=$?
+        $grep -irq "lines compiled" compiler.out
+	ret2=$?
+	if [ "$ret" != "0" -o "$ret2" != "0" ]; then
+		cat compiler.out
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -opascal.out -n0 -R. "./$prefix"
+		ret=$?
+                if [ -f pascal.out ]; then
+ 	          cat pascal.out
+                  $grep -irq "runtime error" pascal.out
+                  ret2=$?
+		  if [ "$ret2" = "0" ]; then
+			echo "Strange output - possible runtime error"
+			if [ $ret -lt 4 ]; then
+				ret=48
+			fi
+                  fi
+		fi
+	fi
+	;;
+Java)
+	$javac "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -u10 -F30 -t$time -T$ttime -i$input -n0 -R. $java "$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+		    echo "Nonzero return code - possible runtime error"
+		    ret=47
+		fi
+	fi
+	;;
+*)
+	echo "Language not recognized"
+	exit 42
+	;;
+esac
+exit $ret
+***end123***
+langcompscriptmd5=bde30aa6d558a0b1596ce7bf8daa75f3
+langcompscript=compare.sh
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 21/aug/2007 by cassio@ime.usp.br
+#
+# This script receives:
+# $1 team_output
+# $2 sol_output
+# $3 languagename
+# $4 problemname
+# $5 problem_input
+#
+# BOCA reads the last line of the standard output
+# and pass it to judges
+#
+# Next lines of this script just compares team_output and sol_output,
+# although it is possible to change them to more complex evaluations.
+
+if [ ! -r "$1" -o ! -r "$2" ]; then
+  echo "Parameter problem"
+  exit 43
+fi
+diff -q "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff \"$1\" \"$2\" # files match"
+  echo "Files match exactly"
+  exit 4
+fi
+diff -q -b "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b \"$1\" \"$2\" # files match"
+  echo -e "diff -c \"$1\" \"$2\" # files dont match - see output"
+  diff -c "$1" "$2"
+  echo "Files match with differences in the amount of white spaces"
+  exit 5
+fi
+diff -q -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b "$1" "$2"
+  echo "Files match with differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -i -b -B "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B "$1" "$2"
+  echo "Files match if we ignore case and differences in the amount of white spaces and blank lines"
+  exit 5
+fi
+diff -q -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -i -b -B \"$1\" \"$2\" # files dont match - see output"
+  diff -c -i -b -B "$1" "$2"
+  echo "Files match if we discard all white spaces"
+  exit 5
+fi
+diff -q -i -b -B -w "$1" "$2" >/dev/null 2>/dev/null
+if [ "$?" == "0" ]; then
+  echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files match"
+  echo -e "diff -c -b -B -w \"$1\" \"$2\" # files dont match - see output"
+  diff -c -b -B -w "$1" "$2"
+  echo "Files match if we ignore case and discard all white spaces"
+  exit 5
+fi
+echo -e "diff -c -i -b -B -w \"$1\" \"$2\" # files dont match - see output"
+diff -c -i -b -B -w "$1" "$2"
+echo "Differences found"
+exit 6
+***end123***
+
+[problem]
+probnumber=1
+probname=A
+probfullname=Bits
+probbasename=bits
+probtimelimit=2
+probcolorname=Branco
+probcolor=ffffff
+probinputfilemd5=3d80104620532811bddcb6ee7ae45ff1
+probinputfile=base64:bits.in
+MSA3CjQgMSAxMCAyMCAzMAoyIDIwMDAgOTk5CjMgMCAwIDAKMiAxIDEwMDAK
+MTAwMCAxMDczNzQxODI0IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAw
+IDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAg
+MCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwIDAgMCAwCjEgMAoxIDgKMAo=
+====
+***end123***
+probsolfilemd5=01cb6992846e7c6d7e77ca91fd1c401a
+probsolfile=bits.sol
+Instancia 1
+3
+
+Instancia 2
+20
+
+Instancia 3
+22
+
+Instancia 4
+3
+
+Instancia 5
+20
+
+Instancia 6
+31000
+
+Instancia 7
+1
+
+Instancia 8
+4
+
+***end123***
+probdescfile=base64:warmup07.pdf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+LTEuMjFhKQovQ3JlYXRvciAoVGVYKQovQ3JlYXRpb25EYXRlIChEOjIwMDcw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+====
+***end123***
+
+probnumber=2
+probname=B
+probfullname=CCA A 1
+probbasename=cc
+probtimelimit=3
+probcolorname=cccaaa
+probcolor=333333
+probinputfilemd5=41545cd5f6a54ab28996d8e0109ba756
+probinputfile=c.in
+ac
+ac
+ac
+
+ac
+ac
+
+ac
+***end123***
+probsolfilemd5=696fd0c1a38fa96d213ae34469540cc6
+probsolfile=c.sol
+caa
+aca
+aac
+
+caa
+aca
+aac
+***end123***
+
+[end]
diff --git a/old/run.sh b/old/run.sh
new file mode 100755
index 0000000..7f4740e
--- /dev/null
+++ b/old/run.sh
@@ -0,0 +1,164 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+#Last modified: 10/aug/2009 by cassio@ime.usp.br
+#
+# parameters are:
+# $1 base_filename
+# $2 source_file
+# $3 input_file
+# $4 languagename
+# $5 problemname
+# $6 timelimit
+#
+# the output of the submission should be directed to the standard output
+#
+# the return code show what happened:
+# 0 ok
+# 1 compile error
+# 2 runtime error
+# 3 timelimit exceeded
+# other_codes are unknown to boca: in this case BOCA will present the
+#                                  last line of standard output to the judge
+
+umask 0022
+chown nobody.nogroup .
+
+export CLASSPATH=.:$CLASSPATH
+
+# this script makes use of safeexec to execute the code with less privilegies
+# make sure that directories below are correct.
+sf=`which safeexec`
+[ -x "$sf" ] || sf=/usr/bin/safeexec
+gcc=`which gcc`
+[ -x "$gcc" ] || gcc=/usr/bin/gcc
+gpp=`which g++`
+[ -x "$gpp" ] || gpp=/usr/bin/g++
+java=`which java`
+[ -x "$java" ] || java=/usr/java/bin/java
+javac=`which javac`
+[ -x "$javac" ] || javac=/usr/java/bin/javac
+pascal=`which fpc`
+[ -x "$pascal" ] || pascal=/usr/bin/fpc
+grep=`which grep`
+[ -x "$grep" ] || grep=/bin/grep
+
+if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
+    echo "parameter problem"
+    exit 43
+fi
+if [ ! -r "$2" ]; then
+    echo "$2 not found or it's not readable"
+    exit 44
+fi
+if [ ! -r "$3" ]; then
+    echo "$3 not found or it's not readable"
+    exit 45
+fi
+if [ ! -x "$sf" ]; then
+    echo "$sf not found or it's not executable"
+    exit 46
+fi
+
+prefix=$1
+name=$2
+input=$3
+
+# setting up the timelimit according to the problem
+# note that problems should spelling the same as inside BOCA
+if [ "$6" == "" ]; then
+time=5
+else
+time=$6
+fi
+let ttime=$time+30
+
+# choose the compiler according to the language
+# note that languages should spelling the same as inside BOCA
+case "$4" in
+C)
+	$gcc -lm -o "$prefix" "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -n0 -R. "./$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+                    ret=0
+		fi
+	fi
+	;;
+C++)
+	$gpp -lm -o "$prefix" "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -n0 -R. "./$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+                    ret=0
+		fi
+	fi
+	;;
+Pascal)
+	$pascal -o"$prefix" "$name" >compiler.out 2>compiler.out
+        $grep -irq linking compiler.out
+	ret=$?
+        $grep -irq "lines compiled" compiler.out
+	ret2=$?
+	if [ "$ret" != "0" -o "$ret2" != "0" ]; then
+		cat compiler.out
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -F10 -t$time -T$ttime -i$input -opascal.out -n0 -R. "./$prefix"
+		ret=$?
+                if [ -f pascal.out ]; then
+ 	          cat pascal.out
+                  $grep -irq "runtime error" pascal.out
+                  ret2=$?
+		  if [ "$ret2" = "0" ]; then
+			echo "Strange output - possible runtime error"
+			if [ $ret -lt 4 ]; then
+				ret=48
+			fi
+                  fi
+		fi
+	fi
+	;;
+Java)
+	$javac "$name"
+	ret=$?
+	if [ "$ret" != "0" ]; then
+		echo "Compiling Error: $ret"
+		exit 1
+	else
+		$sf -u10 -F30 -t$time -T$ttime -i$input -n0 -R. $java "$prefix"
+		ret=$?
+		if [ $ret -gt 3 ]; then
+		    echo "Nonzero return code - possible runtime error"
+		    ret=47
+		fi
+	fi
+	;;
+*)
+	echo "Language not recognized"
+	exit 42
+	;;
+esac
+exit $ret
diff --git a/old/updatescore.sh b/old/updatescore.sh
new file mode 100755
index 0000000..a9c05b7
--- /dev/null
+++ b/old/updatescore.sh
@@ -0,0 +1,118 @@
+#!/bin/bash
+#//////////////////////////////////////////////////////////////////////////////////////////
+#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
+#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
+#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
+#//
+#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
+#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
+#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#///////////////////////////////////////////////////////////////////////////////////////////
+# last updated 26/oct/2011 by cassio@ime.usp.br
+for i in id chown chmod md5sum wget tr cut awk tail head grep cat sed sleep; do
+  p=`which $i`
+  if [ -x "$p" ]; then
+    echo -n ""
+  else
+    echo command "$i" not found
+    exit 1
+  fi
+done
+if [ "`id -u`" != "0" ]; then
+  echo "Script must run as root"
+fi
+
+privatedir=/var/www/boca/private
+if [ ! -d $privatedir ]; then
+  echo "Could not find directory $privatedir"
+  exit 1
+fi
+httpbocadir=boca
+tempdir=/tmp
+others=/var/www/boca/private/otherservers
+secs=120
+apacheuser=
+[ -r /etc/icpc/apacheuser ] && apacheuser=`cat /etc/icpc/apacheuser | sed 's/ \t\n//g'`
+[ "$apacheuser" == "" ] && apacheuser=www-data
+id -u $apacheuser > /dev/null 2>/dev/null
+[ $? != 0 ] && echo "User $apacheuser not found -- error to set permissions with chown/chmod"
+
+#hash="shasum -a 256 -"
+hash="md5sum -"
+
+#rm -f $privatedir/score_*.dat
+#rm -f $privatedir/thissitescore.dat
+chown $apacheuser.root $privatedir/score_*.dat
+chown $apacheuser.root $privatedir/thissitescore.dat
+
+BOCASERVER=
+[ -x /etc/icpc/bocaserver.sh ] && . /etc/icpc/bocaserver.sh
+LOCALSERVER=$BOCASERVER
+if [ "$LOCALSERVER" == "" -o "$LOCALSERVER" == "0/0" ]; then
+  LOCALSERVER=http://127.0.0.1/$httpbocadir
+else
+  LOCALSERVER=http://$LOCALSERVER/$httpbocadir
+fi
+
+if [ ! -r $others ]; then
+  echo "External server list in $others not found"
+  exit 1
+fi
+echo "Starting loop to get scores from servers defined in $others"
+while /bin/true; do
+echo "Getting scores..."
+
+qtd=1
+for BOCASERVER in `grep -v "^[ \t]*\#" $others | awk '{ print $1; }'`; do
+if [ "$BOCASERVER" == "" ]; then
+  continue
+fi
+echo $BOCASERVER | grep -q "http"
+[ $? == 0 ] || BOCASERVER=http://$BOCASERVER/boca
+
+user=`grep -v "^[ \t]*\#" $others | head -n$qtd | tail -n1 | awk '{ print $2; }'`
+[ "$user" == "" ] && user=score
+pass=`grep -v "^[ \t]*\#" $others | head -n$qtd | tail -n1 | awk '{ print $2; }'`
+[ "$pass" == "" ] && pass=score
+let "qtd = $qtd + 1"
+
+wget -t3 -T3 "$LOCALSERVER/scoretable.php?clock=1" -O $tempdir/.temp.txt 2>/dev/null >/dev/null
+if [ $? != 0 ]; then 
+  echo "Error getting contest clock from $LOCALSERVER"
+else
+  tempo=`cat $tempdir/.temp.txt`
+  echo -n "Asking server $BOCASERVER at time $tempo. Authenticating with user '$user'..."
+  md=`wget -t3 -T3 -S $BOCASERVER/index.php -O /dev/null --save-cookies $tempdir/.cookie.txt --keep-session-cookies 2>&1 | grep PHPSESS | tail -n1 | cut -f2 -d'=' | cut -f1 -d';'`
+  res=`echo -n $pass | $hash | cut -f1 -d' '`
+  res=`echo -n "${res}${md}" | $hash | cut -f1 -d' '`
+  echo -n "sending password..."
+  wget -t3 -T3 "$BOCASERVER/index.php?name=${user}&password=${res}" --load-cookies $tempdir/.cookie.txt --keep-session-cookies --save-cookies $tempdir/.cookie.txt -O $tempdir/.temp.txt 2>/dev/null >/dev/null
+  grep -qi incorrect $tempdir/.temp.txt
+  if [ $? != 0 ]; then
+    fname=`echo $BOCASERVER | tr './:' '_'`
+    echo "downloading scoretable..."
+    wget -t3 -T3 "$BOCASERVER/scoretable.php?remote=$tempo" --load-cookies $tempdir/.cookie.txt --keep-session-cookies --save-cookies $tempdir/.cookie.txt -O $privatedir/score_${fname}.tmp 2>$tempdir/.bocascore.tmp >$tempdir/.bocascore.tmp
+    if [ $? == 0 ]; then
+      chown $apacheuser.root $privatedir/score_$fname.tmp
+      chmod 660 $privatedir/score_$fname.tmp
+      mv $privatedir/score_$fname.tmp $privatedir/score_$fname.dat
+      echo "Score downloaded successfully into $privatedir/score_$fname.dat"
+    else
+      echo "Error getting scoretable from $BOCASERVER: `cat $tempdir/.bocascore.tmp`"
+    fi
+  else
+    echo "Error authenticating to server $BOCASERVER"
+  fi
+fi
+rm -f $tempdir/.temp.txt
+rm -f $tempdir/.cookie.txt
+done
+
+echo -n "Waiting $secs secs..."
+sleep $secs
+echo ""
+done
diff --git a/old/webcast/config.php b/old/webcast/config.php
new file mode 100644
index 0000000..b16deb6
--- /dev/null
+++ b/old/webcast/config.php
@@ -0,0 +1,25 @@
+<?php
+$loc = $locr = "..";
+require_once("$locr/globals.php");
+require_once("$locr/db.php");
+if(!ValidSession()) {
+	InvalidSession("webcast/index.php");
+        ForceLoad("$loc/index.php");
+}
+if($_SESSION["usertable"]["usertype"] != "admin") {
+	IntrusionNotify("webcast/index.php");
+	ForceLoad("$loc/index.php");
+}
+
+$contest = $_SESSION["usertable"]["contestnumber"];
+$site = $_SESSION["usertable"]["usersitenumber"];
+
+if(($ct =  DBSiteInfo($contest, $site)) == null)
+	ForceLoad("../index.php");
+
+if(isset($_GET['full']) && $_GET['full'] > 0)
+	$freezeTime = $ct['siteduration'];
+else
+	$freezeTime = $ct['sitelastmilescore'];
+
+?>
diff --git a/old/webcast/contest/index.php b/old/webcast/contest/index.php
new file mode 100644
index 0000000..3efc719
--- /dev/null
+++ b/old/webcast/contest/index.php
@@ -0,0 +1,61 @@
+<?php
+
+require '../../db.php';
+require '../config.php';
+
+header('Content-type: text/plain; encoding=utf-8');
+
+$ct = DBContestInfo($contest);
+
+echo
+	$ct['contestname'] . "\n";
+
+echo 
+	$ct['contestduration']/60 . '' .
+	$ct['contestlastmileanswer']/60 . '' .
+	$ct['contestlastmilescore']/60 . '' .
+	$ct['contestpenalty']/60 . "\n";
+
+$c = DBConnect();
+
+$r = DBExec($c,
+	'SELECT problemnumber FROM problemtable' .
+	' WHERE contestnumber = ' . $contest .
+	' AND problemnumber > 0');
+
+$numProblems = DBnlines($r);
+
+$r = DBExec($c,
+	'SELECT username, userfullname FROM usertable' .
+	' WHERE contestnumber = ' . $contest .
+	' AND userenabled = \'t\' AND usersitenumber = ' . $site .
+	' AND usertype = \'team\'');
+
+$numTeams = DBnlines($r);
+
+echo 
+	$numTeams . '' .
+	$numProblems . "\n";
+
+for ($i = 0; $i < $numTeams; $i++) {
+	$a = DBRow($r, $i);
+	$teamID = $a['username'];
+	if(isset($a['usershortname']))
+		$teamName = $a['usershortname'];
+	else
+		$teamName = $a['userfullname'];
+	if(isset($a['usershortinstitution']))
+		$teamUni = $a['usershortinstitution'];
+	else
+		$teamUni = $teamName;
+
+	echo
+		$teamID . '' .
+		$teamUni . '' .
+		$teamName . "\n";
+}
+
+echo '1' . '' . '1' . "\n";
+echo $numProblems . '' . 'Y' . "\n";
+
+?>
diff --git a/old/webcast/index.php b/old/webcast/index.php
new file mode 120000
index 0000000..4e9b47a
--- /dev/null
+++ b/old/webcast/index.php
@@ -0,0 +1 @@
+config.php
\ No newline at end of file
diff --git a/old/webcast/runs/index.php b/old/webcast/runs/index.php
new file mode 100644
index 0000000..e28567e
--- /dev/null
+++ b/old/webcast/runs/index.php
@@ -0,0 +1,41 @@
+<?php
+
+require '../../db.php';
+require '../config.php';
+
+header('Content-type: text/plain; encoding=utf-8');
+
+$s = DBSiteInfo($contest, $site);
+
+$run = DBAllRunsInSites($contest, $site, 'run');
+
+$numRuns = count($run);
+
+for ($i = 0; $i < $numRuns; $i++) {
+	$u = DBUserInfo($contest, $site, $run[$i]['user']);
+
+	$runID = $run[$i]['number'];
+	$runTime = dateconvminutes($run[$i]['timestamp']);
+	$runTeam = $u['username'];
+	$runProblem = $run[$i]['problem'];
+
+	if ($runTime > $freezeTime) {
+		continue;
+	}
+
+	echo
+		$runID . '' .
+		$runTime . '' .
+		$runTeam . '' .
+		$runProblem . '';
+
+	if ($run[$i]['yes']=='t') {
+		echo 'Y' . "\n";
+	} else if ($run[$i]['answer'] == 'Not answered yet') {
+		echo '?' . "\n";
+	} else {
+		echo 'N' . "\n";
+	};
+}
+
+?>
diff --git a/old/webcast/time/index.php b/old/webcast/time/index.php
new file mode 100644
index 0000000..061c81f
--- /dev/null
+++ b/old/webcast/time/index.php
@@ -0,0 +1,12 @@
+<?php
+
+require '../../db.php';
+require '../config.php';
+
+header('Content-type: text/plain; encoding=utf-8');
+
+$s = DBSiteInfo($contest, $site);
+
+echo $s['currenttime'];
+
+?>
diff --git a/old/webcast/version/index.php b/old/webcast/version/index.php
new file mode 100644
index 0000000..4d474a2
--- /dev/null
+++ b/old/webcast/version/index.php
@@ -0,0 +1,10 @@
+<?php
+
+require '../../db.php';
+require '../config.php';
+
+header('Content-type: text/plain; encoding=utf-8');
+
+echo '1.0' . "\n";
+
+?>