P1063킹.java

package BOJ;
import java.io.*;

public class P1063ŷ {
	static int[][] map = new int[8][8];
	static int king_x, king_y, stone_x, stone_y, n;
	static int[] dx = {0, 0, 1, -1, -1, -1, 1, 1};
	static int[] dy = {1, -1, 0, 0, 1, -1, 1, -1};
	static final int R = 0, L = 1, B = 3, T = 2, RT = 6, LT = 7, RB = 4, LB = 5;

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] input = br.readLine().split(" ");
	
		king_x = input[0].charAt(1)-'0'-1;
		king_y = input[0].charAt(0)-'A';
		stone_x = input[1].charAt(1)-'0'-1;
		stone_y = input[1].charAt(0)-'A';
		n = Integer.parseInt(input[2]);
		
		map[king_x][king_y] = 1;
		map[stone_x][stone_y] = 2;
		
		input = new String[n];
		for(int i=0;i<n;i++){
			input[i] = br.readLine();
		}
		
		int state = 0;
		for(int i=0;i<n;i++){
			if(input[i].equals("R")) state = R;
			else if(input[i].equals("L")) state = L;
			else if(input[i].equals("B")) state = B;
			else if(input[i].equals("T")) state = T;
			else if(input[i].equals("RT")) state = RT;
			else if(input[i].equals("LT")) state = LT;
			else if(input[i].equals("RB")) state = RB;
			else if(input[i].equals("LB")) state = LB;
			
			int king_nextX = king_x + dx[state];
			int king_nextY = king_y + dy[state];
			int stone_nextX = 0;
			int stone_nextY = 0;
			if(king_nextX < 0 || 8<= king_nextX || king_nextY < 0 || 8<=king_nextY) continue;
			
			if(king_nextX==stone_x && king_nextY==stone_y){
				stone_nextX = stone_x + dx[state];
				stone_nextY = stone_y + dy[state];
				
				if(stone_nextX < 0 || 8<= stone_nextX || stone_nextY < 0 || 8<=stone_nextY) continue;
				
				map[stone_x][stone_y] = 0;
				map[stone_nextX][stone_nextY] = 2;
				stone_x = stone_nextX;
				stone_y = stone_nextY;
				
				map[king_x][king_y] = 0;
				map[king_nextX][king_nextY] = 1;
				king_x = king_nextX;
				king_y = king_nextY;
			}
			else{
				map[king_x][king_y] = 0;
				map[king_nextX][king_nextY] = 1;
				king_x = king_nextX;
				king_y = king_nextY;
			}
		}
		
		for(int i=0;i<8;i++){
			for(int j=0;j<8;j++){
				if(map[i][j]==1){
					king_x = i+1;
					king_y = j;
				}
				if(map[i][j]==2){
					stone_x = i+1;
					stone_y = j;
				}
			}
		}

		String line = ""+(char)(king_y+'A');
		System.out.println(line+Integer.toString(king_x));
		line =  ""+(char)(stone_y+'A');
		System.out.println(line+Integer.toString(stone_x));
	}

}