Submission #619598

#	Time	Username	Problem	Language	Result	Execution time	Memory
619598		Mounir	Teams (IOI15_teams)	C++14	34 / 100	4027 ms	28692 KiB

teams

#include "teams.h"
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define chmax(x, v) x = max(x, v)
#define chmin(x, v) x = min(x, v)
#define pii pair<int, int>
#define pb push_back
#define sz(x) (int)x.size()
#define x first
#define y second
//#define int long long
using namespace std;

const int N_ELEVES = 3e5;

int nInters;
vector<int> fins[N_ELEVES];

void init(int N, int A[], int B[]) {
	nInters = N;
	for (int i = 0; i < N; ++i)
		fins[A[i]].pb(B[i]);
	nInters++;
}

int can(int M, int K[]) {
	int nReqs[nInters];
	for (int i = 0; i < nInters; ++i)
		nReqs[i] = 0;
	for (int iReq = 0; iReq < M; ++iReq)
		nReqs[K[iReq]]++;
	
	priority_queue<int> actus;
	for (int i = 0; i < nInters; ++i){
		for (int fin : fins[i])
			actus.push(-fin);
		while (nReqs[i]--){
			int nb = 0;
			while (!actus.empty() && nb != i){
				nb += (-actus.top() >= i);
				actus.pop();
			}

			if (nb < i)
				return 0;
		}
	}
	return 1;
}

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