Cod sursa(job #2884504)
| Utilizator | Data | 3 aprilie 2022 20:47:39 | |
|---|---|---|---|
| Problema | Deque | Scor | 0 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.57 kb |
#include <bits/stdc++.h>
#define ll long long
#define INF 0x3F3F3F3F
using namespace std;
const string fisier = "hashuri";
ifstream fin (fisier + ".in");
ofstream fout (fisier + ".out");
unordered_map<int , int>m;
int n;
int main(){
ios_base::sync_with_stdio(false);
fin >> n;
for (int i=1; i<=n; i++){
int op , x; fin >> op >> x;
if (op == 1){
m[x] = true;
}
if (op == 2){
m[x] = false;
}
if (op == 3){
fout << (m[x] == true) << '\n';
}
}
}
