Submission #742821

#	Time	Username	Problem	Language	Result	Execution time	Memory
742821		Abrar_Al_Samit	Teams (IOI15_teams)	C++17	34 / 100	4081 ms	19844 KiB

teams

#include "teams.h"
#include <bits/stdc++.h>
using namespace std;

const int nax = 100;
int n;
vector<pair<int,int>>a;
void init(int N, int A[], int B[]) {
	n = N;
	for(int i=0; i<n; ++i) {
		a.emplace_back(A[i], B[i]);
	}
	sort(a.begin(), a.end());
}

int can(int M, int K[]) {
	int at = 0;
	sort(K, K+M);

	multiset<int>res;
	for(int i=0; i<M; ++i) {
		while(at < n && a[at].first<=K[i]) {
			if(a[at].second >= K[i]) {
				res.insert(a[at].second);
			}
			++at;
		}
		while(!res.empty() && *res.begin()<K[i]) {
			res.erase(res.begin());
		}
		if(res.size() < K[i]) return 0;
		while(K[i]--) {
			res.erase(res.begin());
		}
	}
	return 1;
} 

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:31:17: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |   if(res.size() < K[i]) return 0;
      |      ~~~~~~~~~~~^~~~~~

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