Cod sursa(job #2496681)

Utilizator arckerDolteanu Gabriel arcker Data 21 noiembrie 2019 14:37:48
Problema Hashuri Scor 70
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>

using namespace std;

unordered_map <int,bool> a;

int main()
{
    ifstream cin("hashuri.in");
    ofstream cout("hashuri.out");
    int n,x,q;cin>>n;
    for(int i=1;i<=n;++i){
        cin>>q>>x;
        if(q==1)a[x]=1;
        if(q==2)a[x]=0;
        if(q==3) cout<<a[x]<<'\n';
    }
}