Cod sursa(job #1997773)

Utilizator MateiAruxandeiMateiStefan MateiAruxandei Data 5 iulie 2017 12:11:33
Problema Hashuri Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.27 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
using namespace std;ifstream f("hashuri.in");ofstream g("hashuri.out");int n;unordered_set<int>A;int main(){int x,op;for(f>>n;n;--n){f>>op>>x;if(op==1){A.insert(x);continue;}if(op==2){A.erase(x);continue;}g<<(A.find(x)!=A.end())<<'\n';}return 0;}