Cod sursa(job #791729)
Utilizator | Data | 24 septembrie 2012 23:23:12 | |
---|---|---|---|
Problema | Hashuri | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
# include <cstdio>
using namespace std;
int n, i, op, viz[1000005];
long long val;
int main()
{
freopen("hashuri.in","r",stdin);
freopen("hashuri.out","w",stdout);
scanf("%d",&n);
for (i = 1; i <= n; i++)
{
scanf("%d%d",&op,&val);
if (op == 1) viz[val] = 1;
if (op == 2) viz[val] = 0;
if (op == 3)
if (viz[val]) printf("1\n");
else printf("0\n");
}
return 0;
}