Cod sursa(job #528441)
Utilizator | Tirca Bogdan Bogdan_tmm | Data | 2 februarie 2011 20:44:28 |
---|---|---|---|
Problema | Hashuri | Scor | 70 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <stdio.h>
#include <map>
using namespace std;
int N, NR;
map <int, int> M;
int main()
{
freopen("hashuri.in", "r", stdin);
freopen("hashuri.out", "w", stdout);
int i, tip, x;
scanf("%d ", &N);
for (i = 1; i <= N; i++)
{
scanf("%d %d ", &tip, &x);
if (tip == 1) M[x]=1;
if (tip == 2) M.erase(x);
if (tip == 3) printf("%d\n", M[x]!=0);
}
return 0;
}