241227 주사위 굴리기

public static void main(String[] args) throws IOException {
	BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	StringBuilder sb = new StringBuilder();

	int[] dr = { 0, 0, 0, -1, 1 };
	int[] dc = { 0, 1, -1, 0, 0 };

	StringTokenizer st = new StringTokenizer(br.readLine());
	int n = Integer.parseInt(st.nextToken());
	int m = Integer.parseInt(st.nextToken());
	int r = Integer.parseInt(st.nextToken());
	int c = Integer.parseInt(st.nextToken());
	int k = Integer.parseInt(st.nextToken());

	int[][] matrix = new int[n][m];
	int[] dice = { 1, 3, 4, 2, 5, 6 };
	int[] value = new int[7];

	for (int i = 0; i < n; i++) {
		st = new StringTokenizer(br.readLine());
		for (int j = 0; j < m; j++) {
			matrix[i][j] = Integer.parseInt(st.nextToken());
		}
	}

	st = new StringTokenizer(br.readLine());

	for (int i = 0; i < k; i++) {
		int d = Integer.parseInt(st.nextToken());

		int nr = r + dr[d];
		int nc = c + dc[d];

		if (nr < 0 || nr >= n || nc < 0 || nc >= m) {
			continue;
		}

		r = nr;
		c = nc;
		moveDice(dice, d);

		if (matrix[r][c] == 0) {
			matrix[r][c] = value[dice[0]];
		} else {
			value[dice[0]] = matrix[r][c];
			matrix[r][c] = 0;
		}

		sb.append(value[dice[5]]).append("\n");
	}
	System.out.print(sb);
}

private static void moveDice(int[] dice, int direction) {
	int temp = dice[direction];
	dice[direction] = dice[0];
	dice[0] = 7 - temp;
	dice[direction + (direction % 2 == 0 ? -1 : 1)] = dice[5];
	dice[5] = temp;
}

출처:https://www.acmicpc.net/problem/14499