From 57f3119a02b68c63332459d6d352ed2173c5b8b2 Mon Sep 17 00:00:00 2001
From: Ukj0ng <90972240+Ukj0ng@users.noreply.github.com>
Date: Wed, 5 Nov 2025 21:59:48 +0900
Subject: [PATCH] =?UTF-8?q?[20251105]=20BOJ=20/=20G4=20/=20=EC=A7=81?=
 =?UTF-8?q?=EC=82=AC=EA=B0=81=ED=98=95=EA=B3=BC=20=EC=BF=BC=EB=A6=AC=20/?=
 =?UTF-8?q?=20=ED=95=9C=EC=A2=85=EC=9A=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...5\352\263\274 \354\277\274\353\246\254.md" | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 "Ukj0ng/202511/05 BOJ G4 \354\247\201\354\202\254\352\260\201\355\230\225\352\263\274 \354\277\274\353\246\254.md"

diff --git "a/Ukj0ng/202511/05 BOJ G4 \354\247\201\354\202\254\352\260\201\355\230\225\352\263\274 \354\277\274\353\246\254.md" "b/Ukj0ng/202511/05 BOJ G4 \354\247\201\354\202\254\352\260\201\355\230\225\352\263\274 \354\277\274\353\246\254.md"
new file mode 100644
index 00000000..e49bcd56
--- /dev/null
+++ "b/Ukj0ng/202511/05 BOJ G4 \354\247\201\354\202\254\352\260\201\355\230\225\352\263\274 \354\277\274\353\246\254.md"	
@@ -0,0 +1,62 @@
+```
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    private static int[][] map;
+    private static int[][][] sum;
+    private static int N, Q;
+    public static void main(String[] args) throws IOException {
+        init();
+
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+    private static void init() throws IOException {
+        N = Integer.parseInt(br.readLine());
+
+        map = new int[N+1][N+1];
+        sum = new int[N+1][N+1][11];
+
+        for (int i = 1; i <= N; i++) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            for (int j = 1; j <= N; j++) {
+                map[i][j] = Integer.parseInt(st.nextToken());
+            }
+        }
+
+        for (int i = 1; i <= N; i++) {
+            for (int j = 1; j <= N; j++) {
+                for (int k = 1; k <= 10; k++) {
+                    sum[i][j][k] += sum[i-1][j][k] + sum[i][j-1][k] - sum[i-1][j-1][k];
+                }
+                sum[i][j][map[i][j]]++;
+            }
+        }
+
+        Q = Integer.parseInt(br.readLine());
+        int[] temp = new int[11];
+
+        while (Q-->0) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            int x1 = Integer.parseInt(st.nextToken());
+            int y1 = Integer.parseInt(st.nextToken());
+            int x2 = Integer.parseInt(st.nextToken());
+            int y2 = Integer.parseInt(st.nextToken());
+            int count = 0;
+
+            Arrays.fill(temp, 0);
+            for (int i = 1; i <= 10; i++) {
+                temp[i] += sum[x2][y2][i] - sum[x1-1][y2][i] - sum[x2][y1-1][i] + sum[x1-1][y1-1][i];
+                if (temp[i] > 0) count++;
+            }
+
+            bw.write(count + "\n");
+        }
+    }
+}
+```