Submission #1235837

#	Time	Username	Problem	Language	Result	Execution time	Memory
1235837		mariza	Thousands Islands (IOI22_islands)	C++20	6.75 / 100	19 ms	5308 KiB

islands

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

typedef long long ll;
const ll N=1e5;

variant<bool, vector<int>> find_journey(int n, int m, vector<int> u, vector<int> v) {
    vector<ll> x0, x1;
    for(ll i=0; i<m; i++){
        if(u[i]==0) x0.push_back(i);
        else x1.push_back(i);
    }
    
    if(x0.size()>=2 && x1.size()>=1){
        vector<int> ans;
        ll a=x0[0], b=x0[1], c=x1[0];
        ans.push_back(a);
        ans.push_back(c);
        ans.push_back(b);
        ans.push_back(a);
        ans.push_back(c);
        ans.push_back(b);
        return ans;
    }
    else return false;
}

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