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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     int n;
  6.     cin>>n;
  7.     vector<int> arr(n);
  8.     unordered_map<int,int> hm;
  9.     for(int i=0;i<n;i++)
  10.     {
  11.         cin>>arr[i];
  12.         hm[arr[i]]++;
  13.  
  14.     }
  15.     int q;
  16.     cin>>q;
  17.     for(int i=0;i<q;i++)
  18.     {
  19.         int query;
  20.         cin>>query;
  21.         cout<<hm[query]<<" ";
  22.     }
  23. }
  24.  
Success #stdin #stdout 0.01s 5288KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/R05KSc
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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