diff --git "a/Seol-JY/202511/24 BOJ G5 \352\263\265\355\206\265 \353\266\200\353\266\204 \353\254\270\354\236\220\354\227\264\342\200\216.md" "b/Seol-JY/202511/24 BOJ G5 \352\263\265\355\206\265 \353\266\200\353\266\204 \353\254\270\354\236\220\354\227\264\342\200\216.md"
new file mode 100644
index 00000000..eb233cb4
--- /dev/null
+++ "b/Seol-JY/202511/24 BOJ G5 \352\263\265\355\206\265 \353\266\200\353\266\204 \353\254\270\354\236\220\354\227\264\342\200\216.md"	
@@ -0,0 +1,29 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        String s1 = br.readLine();
+        String s2 = br.readLine();
+        
+        int n = s1.length();
+        int m = s2.length();
+        int[][] dp = new int[n + 1][m + 1];
+        int maxLen = 0;
+        
+        for (int i = 1; i <= n; i++) {
+            for (int j = 1; j <= m; j++) {
+                if (s1.charAt(i - 1) == s2.charAt(j - 1)) {
+                    dp[i][j] = dp[i - 1][j - 1] + 1;
+                    maxLen = Math.max(maxLen, dp[i][j]);
+                }
+            }
+        }
+        
+        System.out.println(maxLen);
+    }
+}
+```