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  1. #include <iostream>
  2. #include <fstream>
  3. using namespace std;
  4. int V[1000];
  5. // Declaring functions
  6. void aggiungi(long long int id,int V[]) {
  7. 	V[id]=V[id]+1;
  8.  
  9. }
  10.  
  11. void togli(long long int id,int V[]) {
  12. 	V[id]=V[id]-1;
  13.  
  14. }
  15.  
  16. int conta(long long int id,int V[]) {
  17. 	return V[id];
  18.  
  19. }
  20.  
  21. int main() {
  22.     ios::sync_with_stdio(false);
  23.  
  24.     // Uncomment the following lines if you want to read/write from files
  25.     // ifstream cin("input.txt");
  26.     // ofstream cout("output.txt");
  27.  
  28.     int Q;
  29.     cin >> Q;
  30.  
  31.     for(int i = 0; i < Q; i++){
  32.         char t;
  33.         long long int id;
  34.         cin >> t >> id;
  35.  
  36.         if(t == 'a') {
  37.             aggiungi(id,V);
  38.         } else if (t == 't') {
  39.             togli(id,V);
  40.         } else if (t == 'c') {
  41.             cout << conta(id,V) << '\n';
  42.         }
  43.     }
  44.  
  45.  
  46.  
  47.     return 0;
  48. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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11
a 11
a 11
a 10
a 10
c 13
c 10
a 10
a 10
t 11
c 11
c 10
stdout
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0
2
1
4
https://ideone.com/4o7t3X
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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