백준 1652 누울 자리를 찾아라
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독서/알고리즘
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine().trim()); int[][] map = new int[n][]; for (int i = 0; i < n; i++) { map[i] = Arrays.stream(br.readLine().trim().split(..