Submission #1070312

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070312		Unforgettablepl	Thousands Islands (IOI22_islands)	C++17	0 / 100	21 ms	5200 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
using namespace std;

variant<bool, vector<int>> find_journey(int N,int M,vector<int> U,vector<int> V){
    vector<vector<pair<int,int>>> adj(N);
    for(int i=0;i<M;i++) {
        adj[U[i]].emplace_back(V[i],i);
    }
    for(int i=0;i<N;i++)if(adj[i].size()>2)return true;
    return false;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45