Submission #1359441

#	Time	Username	Problem	Language	Result	Execution time	Memory
1359441		opeleklanos	Thousands Islands (IOI22_islands)	C++20	0 / 100	1095 ms	4124 KiB

islands

#include <iostream>
#include <vector>
#include <variant>
using namespace std;

vector<vector<int>> adj;

variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V){

    adj.assign(N, {});
    for(int i = 0; i<M; i++){
        adj[U[i]].push_back(V[i]);
    }


    int curr = 0;
    while(adj[curr].size() == 1) curr = adj[curr][0];

    if(adj[curr].size() > 1) return (bool)1;
    else return (bool)0;
}

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