Submission #693885

#	Time	Username	Problem	Language	Result	Execution time	Memory
693885		Pyqe	Thousands Islands (IOI22_islands)	C++17	1.75 / 100	33 ms	9164 KiB

islands

#include <bits/stdc++.h>
#include "islands.h"

using namespace std;

#define mp make_pair
#define fr first
#define sc second

const long long inf=1e18;
long long n,m;
pair<long long,long long> ed[100069];
vector<pair<long long,long long>> al[100069];

variant<bool,vector<int>> find_journey(int on,int om,vector<int> ka,vector<int> la)
{
	long long i,k,l;
	vector<int> sq;
	
	n=on;
	if(n==2)
	{
		return false;
	}
	m=om;
	for(i=1;i<=m;i++)
	{
		k=ka[i-1]+1;
		l=la[i-1]+1;
		ed[i]={k,l};
		al[k].push_back({l,i-1});
	}
	for(i=1;i<=n;i++)
	{
		sort(al[i].begin(),al[i].end());
	}
	sq.push_back(al[1][0].sc);
	sq.push_back(al[2][1].sc);
	sq.push_back(al[3][1].sc);
	sq.push_back(al[1][0].sc);
	sq.push_back(al[1][1].sc);
	sq.push_back(al[2][1].sc);
	sq.push_back(al[3][1].sc);
	sq.push_back(al[1][1].sc);
	return sq;
}

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