Submission #638723

#	Time	Username	Problem	Language	Result	Execution time	Memory
638723		aris12345678	Thousands Islands (IOI22_islands)	C++17	5 / 100	36 ms	4472 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<int> front, back;
    for(int i = 0; i < m; i++) {
        if(u[i] == 0 && v[i] == 1)
            front.push_back(i);
        else
            back.push_back(i);
    }
    if((int)front.size() < 2 || (int)back.size() < 1)
        return false;
    vector<int> ans;
    for(int i = 0; i < 2; i++) {
        ans.push_back(front[0]);
        ans.push_back(back[0]);
        ans.push_back(front[1]);
    }
    return ans;
}

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