[20251028] BOJ / G4 / 주사위 굴리기 / 권혁준

Author: oncsr

khj20006/202510/28 BOJ G4 주사위 굴리기.md

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+```cpp
+#include <bits/stdc++.h>
+using namespace std;
+
+class Dice {
+	int east, west, south, north, top, bot;
+public:
+	Dice() {
+		top = 0;
+		bot = 0;
+		east = 0;
+		west = 0;
+		south = 0;
+		north = 0;
+	}
+
+	int getTop() { return top; }
+	int getBot() { return bot; }
+	void setBot(int bot) { this->bot = bot; }
+
+	void right() {
+		int newEast = top;
+		int newWest = bot;
+		int newTop = west;
+		int newBot = east;
+		east = newEast, west = newWest, top = newTop, bot = newBot;
+	}
+
+	void left() {
+		int newEast = bot;
+		int newWest = top;
+		int newTop = east;
+		int newBot = west;
+		east = newEast, west = newWest, top = newTop, bot = newBot;
+	}
+
+	void up() {
+		int newTop = south;
+		int newBot = north;
+		int newSouth = bot;
+		int newNorth = top;
+		top = newTop, bot = newBot, south = newSouth, north = newNorth;
+	}
+
+	void down() {
+		int newTop = north;
+		int newBot = south;
+		int newSouth = top;
+		int newNorth = bot;
+		top = newTop, bot = newBot, south = newSouth, north = newNorth;
+	}
+
+	void command(int num) {
+		if (num == 1) right();
+		else if (num == 2) left();
+		else if (num == 3) up();
+		else down();
+	}
+
+	// for debug
+	void print() {
+		cout << "= INFO =\n";
+		cout << "========\n";
+		cout << "  " << north << '\n';
+		cout << west << ' ' << top << ' ' << east << '\n';
+		cout << "  " << south << '\n';
+		cout << "  " << bot << '\n';
+	}
+};
+
+int N, M, x, y, K;
+int arr[20][20]{};
+int dx[5] = { 0,0,0,-1,1 };
+int dy[5] = { 0,1,-1,0,0 };
+
+int main() {
+	cin.tie(0)->sync_with_stdio(0);
+
+	cin >> N >> M >> x >> y >> K;
+	for (int i = 0; i < N; i++) for (int j = 0; j < M; j++) cin >> arr[i][j];
+
+	Dice* dice = new Dice();
+	for (int cmd; K--;) {
+		cin >> cmd;
+
+		x += dx[cmd], y += dy[cmd];
+		if (x < 0 || x >= N || y < 0 || y >= M) {
+			x -= dx[cmd], y -= dy[cmd];
+			continue;
+		}
+
+		dice->command(cmd);
+		cout << dice->getTop() << '\n';
+
+		if (arr[x][y] == 0) {
+			arr[x][y] = dice->getBot();
+		}
+		else {
+			dice->setBot(arr[x][y]);
+			arr[x][y] = 0;
+		}
+
+	}
+
+}
+```