
문제https://www.acmicpc.net/problem/17484풀이(15분)import java.io.*;import java.util.*;public class Main { static int n, m; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; st = new StringTokenizer(br.readLine()); n = Integer.parseInt(st.nextToken()); m = I..