[20251028] BOJ / G4 / 주사위 굴리기 / 이강현

lkhyun/202510/28 BOJ G4 주사위 굴리기.md

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+```java
+import java.util.*;
+import java.io.*;
+
+public class Main{
+    static class State{
+        int x,y;
+        int[] row = new int[3];
+        int[] col = new int[3];
+        State(int x, int y){
+            this.x = x;
+            this.y = y;
+        }
+        public void rolling(int direction, int[][] map) throws Exception{
+            if(direction == 1){ //동쪽
+                if(y == map[0].length-1) return;
+                int temp = col[2];
+                col[2] = row[2];
+                row[2] = row[1];
+                row[1] = row[0];
+                row[0] = temp;
+                y++;
+                check();
+                return;
+            }
+            if(direction == 2){ //서쪽
+                if(y == 0) return;
+                int temp = col[2];
+                col[2] = row[0];
+                row[0] = row[1];
+                row[1] = row[2];
+                row[2] = temp;
+                y--;
+                check();
+                return;
+            }
+            if(direction == 3){ //북쪽
+                if(x == 0) return;
+                int temp = col[2];
+                col[2] = col[0];
+                col[0] = row[1];
+                row[1] = col[1];
+                col[1] = temp;
+                x--;
+                check();
+                return;
+            }
+            if(direction == 4){ //남쪽
+                if(x == map.length-1) return;
+                int temp = col[2];
+                col[2] = col[1];
+                col[1] = row[1];
+                row[1] = col[0];
+                col[0] = temp;
+                x++;
+                check();
+                return;
+            }
+        }
+        public void check() throws Exception{
+            if(map[x][y] == 0){
+                    map[x][y] = col[2];
+                }else{
+                    col[2] = map[x][y];
+                    map[x][y] = 0;
+                }
+                bw.write(row[1]+"\n");
+        }
+    }
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    static StringBuilder sb = new StringBuilder();
+    static StringTokenizer st;
+    static int N,M,X,Y,K;
+    static int[][] map;
+    public static void main(String[] args) throws Exception {
+        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());
+            }
+        }
+        State dice = new State(X,Y);
+
+        st = new StringTokenizer(br.readLine());
+        for(int i = 0; i<K; i++){
+            int cmd = Integer.parseInt(st.nextToken());
+            dice.rolling(cmd, map);
+        }
+        bw.close();
+    }
+}
+```