Submission #638290

#	Time	Username	Problem	Language	Result	Execution time	Memory
638290		jamezzz	Thousands Islands (IOI22_islands)	C++17	1.75 / 100	32 ms	4804 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> a,b;
	for(int i=0;i<M;++i){
		if(U[i]==0)a.push_back(i);
		else b.push_back(i);
	}
	if(a.size()<2||b.size()<2)return false;
	vector<int> v={a[0],b[0],a[1],b[1]};
	return v;
}

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