Submission #329724

#	Time	Username	Problem	Language	Result	Execution time	Memory
329724		figter001	Teams (IOI15_teams)	C++17	0 / 100	4062 ms	16468 KiB

teams

#include "teams.h"
#include <bits/stdc++.h>

using namespace std;

#define all(x) (x).begin(), (x).end()
#define fast ios::sync_with_stdio(false);cin.tie(0);
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

vector<pair<int,int>> s;
int n;

void init(int N, int A[], int B[]) {
	n = N;
	for(int i=0;i<n;i++){
		s.push_back({A[i], B[i]});
	}
	sort(all(s) , [](pair<int,int> a,pair<int,int> b){
		if(a.second == b.second)
			return a.first < b.first;
		return a.second < b.second;
	});
}

int can(int M, int K[]) {
	sort(K,K+M);
	int id = 0,cnt=0;
	for(int i=0;i<s.size();i++){
		if(id == M)break;
		cnt += (s[i].first <= K[id] && s[i].second >= K[id]);
		if(cnt == K[id]){
			cnt = 0;
			id++;
		}
	}
	return id == M;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:31:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |  for(int i=0;i<s.size();i++){
      |              ~^~~~~~~~~

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