문제https://www.acmicpc.net/problem/3980풀이(21분)import java.io.*;import java.util.*;public class Main { static int c, answer; static boolean[] positions; static int[][] ability; public static void main(String[] args) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; c = Integer.parseInt(br.readLine()); ..