Cod sursa(job #2715831)
Utilizator | Dumitru Stefania dumitrustefania | Data | 4 martie 2021 11:59:41 |
---|---|---|---|
Problema | Hashuri | Scor | 70 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <bits/stdc++.h>
#define N 50001
#define pb push_back
#define INF 1<<30
using namespace std;
ifstream f("hashuri.in");
ofstream g("hashuri.out");
map <int,bool> m;
int n,c,x;
int main()
{
f>>n;
while(n--)
{
f>>c>>x;
if(c==1)
m[x]=1;
if(c==2)
m[x]=0;
if(c==3)
g<<m[x]<<"\n";
}
return 0;
}