Submission #1235694

#	Time	Username	Problem	Language	Result	Execution time	Memory
1235694		mariza	Thousands Islands (IOI22_islands)	C++20	1.75 / 100	18 ms	5192 KiB

islands

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

typedef long long ll;

variant<bool, vector<int>> find_journey(int n, int m, vector<int> u, vector<int> v) {
    vector<ll> g[n];
    for(ll i=0; i<m; i++){
        g[u[i]].push_back(v[i]);
    }

    if(g[0].size()==0) return false;
    else if(g[0].size()>=2) return true;
    else if(g[g[0][0]].size()==1) return false;
    else return true;
}

• Subtask 1: 0 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45