Cod sursa(job #500892)

Utilizator zloteanu.adrianzloteanu adrian nichita zloteanu.adrian Data 13 noiembrie 2010 14:28:50
Problema Hashuri Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <hash_set>
using namespace std;
using namespace __gnu_cxx;
ifstream q ("hashuri.in");
ofstream w ("hashuri.out");
int T;
hash_set<int> H;
int main()
{for(q>>T;T;--T)
   {int op, nr;
   q>>op>>nr;
   if(op==1)
    H.insert(nr);
   if(op==2)
    H.erase(nr);
   if(op==3)
    w<<(H.find(nr)!=H.end())<<"\n";}}