Submission #954696

#	Time	Username	Problem	Language	Result	Execution time	Memory
954696		n1k	Thousands Islands (IOI22_islands)	C++17	6.75 / 100	27 ms	6484 KiB

islands

#include "islands.h"

#include <bits/stdc++.h>

using namespace std;


std::variant<bool, std::vector<int>> find_journey(int N, int M, std::vector<int> U, std::vector<int> V) {
	vector<vector<array<int, 2>>> g(N);
	for(int i=0; i<M; i++){
		g[U[i]].push_back({V[i], i});
	}
	if(g[0].size()>=2 and g[1].size()>=1){
		return vector<int>{g[0][0][1], g[1][0][1], g[0][1][1], g[0][0][1], g[1][0][1], g[0][1][1]};
	}else{
		return false;
	}
}

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