From d66bf141966877efd877fb674e108f7db4383e66 Mon Sep 17 00:00:00 2001
From: jet2tlf <jet2tlf@gmail.com>
Date: Mon, 3 Jun 2024 02:09:22 -0300
Subject: codecrafters submit [skip ci]

---
 app/main.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'app/main.go')

diff --git a/app/main.go b/app/main.go
index 46da46d..b9be1e5 100644
--- a/app/main.go
+++ b/app/main.go
@@ -31,7 +31,9 @@ func main() {
 		receivedData := string(buf[:size])
 		fmt.Printf("Received %d bytes from %s: %s\n", size, source, receivedData)
 
-		response := []byte{}
+		response := make([]byte, 12)
+		copy(response, buf[:12])
+		response[2] = flipIndicator(response[2])
 
 		_, err = udpConn.WriteToUDP(response, source)
 		if err != nil {
@@ -39,3 +41,7 @@ func main() {
 		}
 	}
 }
+
+func flipIndicator(b byte) byte {
+	return b | 0b10000000
+}
-- 
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