Cod sursa(job #2262664)

Utilizator cezarzbughinCezar Zbughin cezarzbughin Data 17 octombrie 2018 18:05:37
Problema Hashuri Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>

using namespace std;
ifstream f("hashuri.in");
ofstream g("hashuri.out");
unordered_set<int> M;
int q,o,x;
int main()
{
    f>>q;
    for(;q;q--)
    {
        f>>o>>x;
        if(o==1)M.insert(x);
        else if(o==2)M.erase(x);
        else {M.find(x)==M.end()?g<<"0\n":g<<"1\n";}
    }
    return 0;
}