[20251028] BOJ / G4 / 주사위 굴리기 / 설진영

Seol-JY/202510/28 BOJ G4 주사위 굴리기.md

@@ -0,0 +1,154 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    static class Dice {
+        int top, bottom, front, back, left, right;
+
+        public Dice() {
+            this.top = 0;
+            this.bottom = 0;
+            this.front = 0;
+            this.back = 0;
+            this.left = 0;
+            this.right = 0;
+        }
+
+        public void rollEast() {
+            int temp = top;
+            top = left;
+            left = bottom;
+            bottom = right;
+            right = temp;
+        }
+
+        public void rollWest() {
+            int temp = top;
+            top = right;
+            right = bottom;
+            bottom = left;
+            left = temp;
+        }
+
+        public void rollNorth() {
+            int temp = top;
+            top = front;
+            front = bottom;
+            bottom = back;
+            back = temp;
+        }
+
+        public void rollSouth() {
+            int temp = top;
+            top = back;
+            back = bottom;
+            bottom = front;
+            front = temp;
+        }
+
+        public int getTop() {
+            return top;
+        }
+
+        public int getBottom() {
+            return bottom;
+        }
+
+        public void setBottom(int value) {
+            this.bottom = value;
+        }
+    }
+
+    static class Position {
+        int x, y;
+
+        public Position(int x, int y) {
+            this.x = x;
+            this.y = y;
+        }
+
+        public Position move(int direction) {
+            switch(direction) {
+                case 1:
+                    return new Position(x, y + 1);
+                case 2:
+                    return new Position(x, y - 1);
+                case 3:
+                    return new Position(x - 1, y);
+                case 4:
+                    return new Position(x + 1, y);
+                default:
+                    return this;
+            }
+        }
+
+        public boolean isValid(int n, int m) {
+            return x >= 0 && x < n && y >= 0 && y < m;
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        int n = Integer.parseInt(st.nextToken());
+        int m = Integer.parseInt(st.nextToken());
+        int x = Integer.parseInt(st.nextToken());
+        int y = Integer.parseInt(st.nextToken());
+        int k = Integer.parseInt(st.nextToken());
+
+        int[][] 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());
+            }
+        }
+
+        Dice dice = new Dice();
+        Position pos = new Position(x, y);
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < k; i++) {
+            int direction = Integer.parseInt(st.nextToken());
+            Position nextPos = pos.move(direction);
+
+            if (!nextPos.isValid(n, m)) {
+                continue;
+            } 
+
+            switch(direction) {
+                case 1:
+                    dice.rollEast();
+                    break;
+                case 2:
+                    dice.rollWest();
+                    break;
+                case 3:
+                    dice.rollNorth();
+                    break;
+                case 4:
+                    dice.rollSouth();
+                    break;
+            }
+
+            pos = nextPos;
+
+            if (map[pos.x][pos.y] == 0) {
+                map[pos.x][pos.y] = dice.getBottom();
+            } else {
+                dice.setBottom(map[pos.x][pos.y]);
+                map[pos.x][pos.y] = 0;
+            }
+
+            bw.write(dice.getTop() + "\n");
+        }
+
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+}
+```