Submission #782721

#	Time	Username	Problem	Language	Result	Execution time	Memory
782721		fatemetmhr	Teams (IOI15_teams)	C++17	34 / 100	4049 ms	12408 KiB

teams

//  ~ Be Name Khoda ~  //

#include "teams.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC target("avx2")
//#pragma GCC optimize("unroll-loops,Ofast")

using namespace std;

typedef long long ll;

#define pb       push_back
#define mp       make_pair
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn  =  1e6   + 10;
const int maxn5 =  5e5   + 10;
const int maxnt =  2e6   + 10;
const int maxn3 =  1e3   + 10;
const int mod   =  1e9   + 7;
const int lg    =  21;
const ll  inf   =  1e18;

vector <pair<int, int>> av;
priority_queue <int> have;
int n;

void init(int N, int A[], int B[]) {
	n = N;
	for(int i = 0; i < n; i++)
		av.pb({A[i], B[i]});
	sort(all(av));
}

int can(int m, int k[]) {
	sort(k, k + m);
	int ind = 0;
	while(have.size())
		have.pop();
	for(int i = 0; i < m; i++){
		while(ind < av.size() && k[i] >= av[ind].fi){
			have.push(-av[ind].se);
			ind++;
		}
		while(have.size() && have.top() * -1 < k[i])
			have.pop();
		if(have.size() < k[i])
			return false;
		for(int j = 0; j < k[i]; j++)
			have.pop();
	}
	return true;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:44:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   while(ind < av.size() && k[i] >= av[ind].fi){
      |         ~~~~^~~~~~~~~~~
teams.cpp:50:18: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   if(have.size() < k[i])
      |      ~~~~~~~~~~~~^~~~~~

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