Submission #137004

#	Time	Username	Problem	Language	Result	Execution time	Memory
137004		arthurconmy	Teams (IOI15_teams)	C++14	34 / 100	4022 ms	23168 KiB

teams

#include <bits/stdc++.h>

#ifndef ARTHUR_LOCAL
	#include "teams.h"
#endif

using namespace std;

const int MAXN=100001;
int n;

vector<pair<int,int>> I;

bool comp(pair<int,int> a, pair<int,int> b)
{
	if(a.second != b.second) return a.second < b.second;
	return a.first < b.first;
}

void init(int N, int a[], int b[])
{
	n=N;

	for(int i=0; i<n; i++)
	{
		I.push_back({a[i],b[i]});
	}

	sort(I.begin(),I.end());
}

int can(int m, int K[])
{
	int cur_ind = 0;

	sort(K,K+m); // ???

	priority_queue<pair<int,int>> PQ; // increasing order of second coordinate

	for(int i=0; i<m; i++)
	{	
		//cout << K[i] << endl;

		while(cur_ind < n && I[cur_ind].first <= K[i])
		{
			//cout << "ADDING " << I[cur_ind].first << " " << I[cur_ind].second << endl;

			PQ.push({-I[cur_ind].second,I[cur_ind].first});
			cur_ind++;
		}

		// cout << PQ.size() << endl;

		while(!PQ.empty() && -PQ.top().first < K[i])
		{
			//cout << "REMOVING " << PQ.top().second << " " << -PQ.top().first << endl;
			PQ.pop();
		}		

		for(int dot=1; dot<=K[i]; dot++)
		{
			if(PQ.empty()) return 0;

			PQ.pop();
			//cout << "PILLY POPPED" << endl;

			while(!PQ.empty() && -PQ.top().first < K[i])
			{
				//cout << "ALSO REMOVING " << PQ.top().second << " " << -PQ.top().first << endl;
				PQ.pop();
			}
		}
	}

	return 1;
}

#ifdef ARTHUR_LOCAL

	int A[4];
	int B[4];
	int K1[2];
	int K2[2];

	int main()
	{
		A[0]=1;
		A[1]=2;
		A[2]=2;
		A[3]=2;

		B[0]=2;
		B[1]=3;
		B[2]=3;
		B[3]=4;

		init(4,A,B);
	
		K1[0]=3;
		K1[1]=1;

		cout << can(2,K1) << endl;

		K2[0]=1;
		K2[1]=1;

		cout << can(2,K2) << endl;
	}

#endif

• Subtask 1: 21 / 21
• Subtask 2: 13 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23