문제https://www.acmicpc.net/problem/11403풀이(7분)import java.io.*;import java.util.*;public class Main { static int n; static boolean[][] floyd; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; n = Integer.parseInt(br.readLine()); // 정점의 개수 floyd = new boolean..