From 5b3cd0502284abe30b148248cf808237b823edb1 Mon Sep 17 00:00:00 2001
From: suyeun84 <81475092+suyeun84@users.noreply.github.com>
Date: Thu, 16 Oct 2025 15:33:06 +0900
Subject: [PATCH] =?UTF-8?q?[20251016]=20BOJ=20/=20G5=20/=20=EC=82=AC?=
 =?UTF-8?q?=EA=B3=BC=EB=82=98=EB=AC=B4=20/=20=EA=B9=80=EC=88=98=EC=97=B0?=
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---
 ...54\352\263\274\353\202\230\353\254\264.md" | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 "suyeun84/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md"

diff --git "a/suyeun84/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md" "b/suyeun84/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md"
new file mode 100644
index 00000000..bb108aab
--- /dev/null
+++ "b/suyeun84/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md"	
@@ -0,0 +1,33 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class boj20002 {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static StringTokenizer st;
+    static void nextLine() throws Exception { st = new StringTokenizer(br.readLine()); }
+    static int nextInt() { return Integer.parseInt(st.nextToken()); }
+
+    public static void main(String[] args) throws Exception {
+        nextLine();
+        int N = nextInt();
+        int[][] arr = new int[N+1][N+1];
+        int answer = -1000*300*300-1;
+        for (int i = 1; i <= N; i++) {
+            nextLine();
+            for (int j = 1; j <= N; j++) {
+                int tmp = nextInt();
+                arr[i][j] = tmp + arr[i-1][j] + arr[i][j-1] - arr[i-1][j-1];
+            }
+        }
+        for (int k = 1; k <= N; k++) {
+            for (int i = k; i <= N; i++) {
+                for (int j = k; j <= N; j++) {
+                    answer = Math.max(answer, arr[i][j] - arr[i][j-k] - arr[i-k][j] + arr[i-k][j-k]);
+                }
+            }
+        }
+        System.out.println(answer);
+    }
+}
+```