Merge pull request #2028 from AlgorithmWithGod/JHLEE325

[20260317] BOJ / G4 / 잠수함식별 / 이준희

Author: ShinHeeEul

JHLEE325/202603/17 BOJ G4 잠수함식별.md

@@ -0,0 +1,19 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        String sound = br.readLine();
+
+        String regex = "(100+1+|01)+";
+
+        if (sound.matches(regex)) {
+            System.out.println("SUBMARINE");
+        } else {
+            System.out.println("NOISE");
+        }
+    }
+}
+```