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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5.  
  6.     int n; 
  7.     cin>>n;
  8.  
  9.     int arr[n];
  10.  
  11.     for(int i=0; i<n; i++){
  12.         cin>>arr[i];
  13.     }
  14.  
  15.     //precompute
  16.     int hash[13] = {0};
  17.     for(int i=0; i<n; i++){
  18.         hash[arr[i]]++;
  19.     }
  20.  
  21.  
  22.     int q;
  23.     cin>>q;
  24.     while(q--){
  25.         int number;
  26.         cin>>number;
  27.         //fetching;
  28.         cout<<hash[number]<<endl;
  29.     }
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0.01s 5324KB
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stdin
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https://ideone.com/gwUXMx
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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