백준 2468 안전 영역
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boj)2468 - 안전 영역PS/boj 2020. 10. 21. 18:09
import java.io.*; import java.util.*; public class boj_2468 { static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st; static int N, nx, ny, max; static int[][] map = new int[100][100]; static int[] dx = {-1, 1, 0, 0}; static int[] dy = {0, 0, -1, 1}; static List list = new ArrayList(); public static void main(String[] args) throws IOException {..