Submission #604018

#	Time	Username	Problem	Language	Result	Execution time	Memory
604018		PanTkd	Teams (IOI15_teams)	C++14	34 / 100	4051 ms	12496 KiB

teams

//
//  main.cpp
//
//  Created by Panagiotis Chadjicostas on
//  Copyright © Panagiotis Hadjicostas. All rights reserved.
//
#include "teams.h"
#include <iostream>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iterator>
#include <limits>
#include <list>
#include <cstring>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <unordered_map>

using namespace std;

typedef int ll;
typedef vector<ll> vi;
typedef pair<ll,ll> ii;
#define fo(i,a,b) for(int i = a; i<=b; i++)
#define f(i,b) for(int i=0;i<b;i++)
#define F first
#define S second
#define sz size
#define ls s,m,idx<<1
#define rs m+1,e,idx<<1|1
const ll MOD=ll(1e9)+7;
const ll MAXN=2*ll(1e6);
void checker(){
    ll n=rand()%20+2;
    vi a(n,ll());
    for(ll i=0;i<n;i++){
        a[i]=rand()%20+2;
    }
    for(ll b=0;b<(1<<n);b++){
        vi on,off;
        for(ll i=0;i<n;i++){
            if(i&(1<<i)){
                on.push_back(i);
            }
            else{
                off.push_back(i);
            }
        }
    }
}
///////////////////////////////////////////////////////////////////////
vector<pair<ll,ll> > V;
vector<vi> v;
bool cmp(ii a,ii b){
    if(a.F<b.F)
        return 1;
    else if(b.F<a.F)
        return 0;
    else if(a.S<b.S)
        return 1;
    else
        return 0;
}
void init(int N, int A[], int B[]){
    //v.assign(5000001,vi());
    for(ll i=0;i<N;i++){
        //v[A[i]].push_back(B[i]);
        ii p;
        p.F=A[i],p.S=B[i];
        V.push_back(p);
    }
    sort(V.begin(),V.end());
}

int can(int M, int K[]){
    sort(K,K+M);
    ll L=V.size();

    ll idx=0;
    priority_queue<ll, vi, greater<ll> > pq;
    for(ll i=0;i<M;i++){
        while(idx<L && V[idx].F<=K[i]){
            pq.push(V[idx].S);
            idx++;
        }
        ll temp=K[i];
        while(temp){
            if((ll)pq.size()==0)return 0;
            ll x=pq.top();
            pq.pop();
            if(x>=K[i])temp--;
        }
    }
    return 1;
}

/*
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll N;cin>>N;
    ll A[N],B[N];
    for(ll i=0;i<N;i++)
        cin>>A[i]>>B[i];
    init(N,A,B);
    ll Q;cin>>Q;

    while(Q--){
        ll M;cin>>M;
        ll K[M];
        for(ll i=0;i<M;i++)
            cin>>K[i];
        cout<<can(M,K)<<endl;
    }
    return 0;
}
*/

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:85:16: warning: conversion from 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} to 'll' {aka 'int'} may change value [-Wconversion]
   85 |     ll L=V.size();
      |          ~~~~~~^~

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