문제https://www.acmicpc.net/problem/11404풀이(12분)import java.io.*;import java.util.*;public class Main { static int n, m; static int[][] floyd; static int INF = 1_000_000_000; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; n = Integer.parseInt(br.readLine()); /..