Submission #1187588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187588		ByeWorld	Thousands Islands (IOI22_islands)	C++20	6.75 / 100	19 ms	4464 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#include <variant>
#include <vector>
#define ll long long
#define pb push_back
#define fi first
#define se second
#define lf ((id<<1))
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;

int n, m;
vector<int> ANS;

std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
	n = N; m = M;
	vector<int>le, ri;
	for(int i=0; i<m; i++){
		if(U[i] == 0) le.pb(i);
		else ri.pb(i); 
	}
	if(le.size() >= 2 && ri.size() >= 1){
		ANS.pb(le[0]); ANS.pb(ri[0]);
		ANS.pb(le[1]); 
		ANS.pb(le[0]);
		ANS.pb(ri[0]);
		ANS.pb(le[1]);
		return ANS;
	}
	return false;
}

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