Create 17 BOJ G3 봄버맨 2.md

Author: suyeun84

suyeun84/202502/17 BOJ G3 봄버맨 2.md

@@ -0,0 +1,63 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class Main {
+	public static void main(String[] args) throws Exception{
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		StringTokenizer st = new StringTokenizer(br.readLine());
+		StringBuilder sb = new StringBuilder();
+		
+		int R = Integer.parseInt(st.nextToken());
+		int C = Integer.parseInt(st.nextToken());
+		int N = Integer.parseInt(st.nextToken());
+		int[][] board = new int[R][C];
+		int[][] dir = new int[][] {{1,0},{-1,0},{0,1},{0,-1}};
+		
+		for (int i = 0; i < R; i++) {
+			String line = br.readLine();
+			for (int j = 0; j < C; j++) {
+				if (line.charAt(j) == '.') continue;
+				board[i][j] = 2;
+			}
+		}
+		int time = 1;
+		if(N > 5) N = (N % 4) + 4;
+		while (time < N) {
+			if (time % 2 == 1) { //폭탄 설치
+				for (int i = 0; i < R; i++) {
+					for (int j = 0; j < C; j++) {
+						if (board[i][j] == 0) board[i][j] = 3;
+						else board[i][j]--;
+					}
+				}
+			} else { //폭탄시간 감소
+				for (int i = 0; i < R; i++) {
+					for (int j = 0; j < C; j++) {
+						if (board[i][j] == 1) {
+							board[i][j]--;
+							for (int[] d : dir) {
+								int ny = i + d[0];
+								int nx = j + d[1];
+								if (ny < 0 || ny >= R || nx < 0 || nx >= C) continue;
+								if(board[ny][nx] == 1) continue;
+								board[ny][nx] = 0;
+							}
+						} else if (board[i][j] > 1) board[i][j]--; 
+					}
+				}
+			}
+			time++;
+		}
+		for (int i = 0; i < R; i++) {
+			for (int j = 0; j < C; j++) {
+				if (board[i][j] > 0) sb.append('O');
+				else sb.append('.');
+			}
+			sb.append("\n");
+		}
+		System.out.println(sb);
+	}
+}
+
+```