From 149df7a3454c4b49f5acb5f1873ce051ee4c39dd Mon Sep 17 00:00:00 2001
From: JHLEE325 <82587652+JHLEE325@users.noreply.github.com>
Date: Tue, 21 Oct 2025 15:14:11 +0900
Subject: [PATCH] =?UTF-8?q?[20251021]=20BOJ=20/=20G4=20/=20=EC=A3=BC?=
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---
 ...4 \352\265\264\353\246\254\352\270\260.md" | 112 ++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 "JHLEE325/202510/21 BOJ G4 \354\243\274\354\202\254\354\234\204 \352\265\264\353\246\254\352\270\260.md"

diff --git "a/JHLEE325/202510/21 BOJ G4 \354\243\274\354\202\254\354\234\204 \352\265\264\353\246\254\352\270\260.md" "b/JHLEE325/202510/21 BOJ G4 \354\243\274\354\202\254\354\234\204 \352\265\264\353\246\254\352\270\260.md"
new file mode 100644
index 00000000..ceed967a
--- /dev/null
+++ "b/JHLEE325/202510/21 BOJ G4 \354\243\274\354\202\254\354\234\204 \352\265\264\353\246\254\352\270\260.md"	
@@ -0,0 +1,112 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+
+    static int n, m, x, y, k;
+    static int[][] map;
+    static int[] dx = {0, 0, 0, -1, 1}; // 동 서 북 남
+    static int[] dy = {0, 1, -1, 0, 0};
+    static int[] dice = {0, 0, 0, 0, 0, 0}; // 상 하 동 서 북 남
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringTokenizer st = new StringTokenizer(br.readLine());
+
+        n = Integer.parseInt(st.nextToken());
+        m = Integer.parseInt(st.nextToken());
+        x = Integer.parseInt(st.nextToken());
+        y = Integer.parseInt(st.nextToken());
+        k = Integer.parseInt(st.nextToken());
+
+        map = new int[n][m];
+
+        for (int i = 0; i < n; i++) {
+            st = new StringTokenizer(br.readLine());
+            for (int j = 0; j < m; j++) {
+                map[i][j] = Integer.parseInt(st.nextToken());
+            }
+        }
+
+        st = new StringTokenizer(br.readLine());
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < k; i++) {
+            int op = Integer.parseInt(st.nextToken());
+            int nx = x + dx[op];
+            int ny = y + dy[op];
+
+            if (nx >= n || nx < 0 || ny >= m || ny < 0)
+                continue;
+
+            x = nx;
+            y = ny;
+
+            switch (op) {
+                case 1:
+                    move_1();
+                    copy(nx, ny);
+                    sb.append(dice[0]).append("\n");
+                    break;
+                case 2:
+                    move_2();
+                    copy(nx, ny);
+                    sb.append(dice[0]).append("\n");
+                    break;
+                case 3:
+                    move_3();
+                    copy(nx, ny);
+                    sb.append(dice[0]).append("\n");
+                    break;
+                case 4:
+                    move_4();
+                    copy(nx, ny);
+                    sb.append(dice[0]).append("\n");
+                    break;
+            }
+        }
+        System.out.println(sb.toString());
+    }
+
+    static void move_1() {
+        int temp = dice[0];
+        dice[0] = dice[3];
+        dice[3] = dice[1];
+        dice[1] = dice[2];
+        dice[2] = temp;
+    }
+
+    static void move_2() {
+        int temp = dice[0];
+        dice[0] = dice[2];
+        dice[2] = dice[1];
+        dice[1] = dice[3];
+        dice[3] = temp;
+    }
+
+    static void move_3() {
+        int temp = dice[0];
+        dice[0] = dice[5];
+        dice[5] = dice[1];
+        dice[1] = dice[4];
+        dice[4] = temp;
+    }
+
+    static void move_4() {
+        int temp = dice[0];
+        dice[0] = dice[4];
+        dice[4] = dice[1];
+        dice[1] = dice[5];
+        dice[5] = temp;
+    }
+
+    static void copy(int cx, int cy) {
+        if (map[cx][cy] == 0) {
+            map[cx][cy] = dice[1];
+        } else {
+            dice[1] = map[cx][cy];
+            map[cx][cy] = 0;
+        }
+    }
+}
+```