Cod sursa(job #1393160)
Utilizator | Data | 19 martie 2015 09:45:34 | |
---|---|---|---|
Problema | Hashuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include <fstream>
#include <set>
using namespace std;
ifstream f("hashuri.in");
ofstream g("hashuri.out");
int nrquiz,quiz,val,i;
set <int> v;
int main()
{
f>>nrquiz;
while (nrquiz)
{
nrquiz--;
f>>quiz>>val;
if (quiz==1)
v.insert(val);
else
if (quiz==2)
v.erase(val);
else
if (quiz==3)
{
if (v.find(val)!=v.end()) g<<1<<'\n';
else
g<<0<<'\n';
}
}
return 0;
}