Submission #741641

#	Time	Username	Problem	Language	Result	Execution time	Memory
741641		MODDI	Teams (IOI15_teams)	C++14	0 / 100	4016 ms	20340 KiB

teams

#include "teams.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
using namespace std;
vector<pii> arr;
void init(int N, int A[], int B[]) {
	for(int i = 0; i < N; i++){
		arr.pb(mp(A[i], B[i]));
	}
//	sort(arr.begin(), arr.end(), comp);
}

int can(int M, int K[]) {
	vector<int> teams;
	for(int i = 0; i < M; i++)
		teams.pb(K[i]);
	
	sort(teams.begin(), teams.end());
	auto comp = [](pii& a, pii& b){
		return (a.second == b.second) ? a.first > b.first : a.second > b.second;
	};
	priority_queue<pii, vector<pii>, decltype(comp)> pq(comp);
	for(int i = 0;  i< arr.size(); i++)
		pq.push(arr[i]);
	
	for(int i = 0; i < teams.size(); i++){
		int taken = 0;
		vector<pii> reuse;
		while(!pq.empty() && taken < teams[i]){
			pii now = pq.top();
			pq.pop();
			if(teams[i] < now.first || teams[i] > now.second){
				reuse.pb(now);
				continue;
			}
			taken++;
		}
		if(taken < i)	return 0;
		for(auto t : reuse)
			pq.push(t);
	}
	return 1;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i = 0;  i< arr.size(); i++)
      |                  ~^~~~~~~~~~~~
teams.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int i = 0; i < teams.size(); i++){
      |                 ~~^~~~~~~~~~~~~~

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