Cod sursa(job #2727285)

Utilizator bossu78BossuL bossu78 Data 21 martie 2021 18:39:27
Problema Hashuri Scor 70
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <unordered_set>
#include <fstream>
using namespace std;
ifstream cin("hashuri.in"); ofstream cout("hashuri.out");
int n; unordered_set<int>A;
int main(){
int x,op;
for(cin>>(n);n;--n){
cin>>op>>x;
if(op==1){A.insert(x);continue;}
if(op==2){A.erase(x);continue;}
cout<<'\n'<<(A.find(x)!=A.end());}return 0;}