kelvinc1024

import java.io.*
import java.util.*

fun main() {
    Solution().main()
}

class Solution {
    fun main() {
        solve()

kelvinc1024

// https://binarysearch.com/problems/Edges-that-Disconnect-the-Graph
import java.util.*;

class Solution {

    static class Result {
        int lowLink;
        boolean isCycle;

        Result(int lowLink, boolean isCycle) {