제출 #638291

#제출 시각아이디문제언어결과실행 시간메모리
638291jamezzz수천개의 섬 (IOI22_islands)C++17
1.75 / 100
28 ms4264 KiB
#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],b[0],a[0],b[1],a[1]};
	return v;
}


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