[백준/Java] 14499 주사위 굴리기

주사위만 잘 굴리면 된다...

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

    static int[][] map;
    static int[] dice;
    static int N, M, x, y, K;
    // 동쪽은 1, 서쪽은 2, 북쪽은 3, 남쪽은 4
    static int[] dr = {0, 0, 0, -1, 1};
    static int[] dc = {0, 1, -1, 0, 0};

    static boolean flag = true;


    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];
        dice = new int[6];

        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());
        for (int i = 0; i < K; i++) {
            int cmd = Integer.parseInt(st.nextToken());
//            System.out.println(cmd);
            if (!roll(cmd)) {
                continue;
            } else {
                if (map[x][y] == 0) {
                    map[x][y] = dice[5];
                } else {
                    dice[5] = map[x][y];
                    map[x][y] = 0;
                }

                System.out.println(dice[0]);
            }
        }


    }

    static boolean roll(int dir) {

        x += dr[dir];
        y += dc[dir];

        if (x < 0 || y < 0 || x >= N || y >= M) {
//            System.out.println("!!");
            x -= dr[dir];
            y -= dc[dir];
            return false;
        }


        int t, b, w, e, n, s;
        t = dice[0];
        n = dice[1];
        w = dice[2];
        e = dice[3];
        s = dice[4];
        b = dice[5];

        // 동쪽은 1, 서쪽은 2, 북쪽은 3, 남쪽은 4
        if (dir == 1) {
            dice[0] = w;
            dice[2] = b;
            dice[3] = t;
            dice[5] = e;

        } else if (dir == 2) {
            dice[0] = e;
            dice[2] = t;
            dice[3] = b;
            dice[5] = w;

        } else if (dir == 3) {
            dice[0] = s;
            dice[1] = t;
            dice[4] = b;
            dice[5] = n;
        } else if (dir == 4) {
            dice[0] = n;
            dice[1] = b;
            dice[4] = t;
            dice[5] = s;
        }
        return true;

    }


}