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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     unordered_map<int,int>mp;
  6.     int n=8;
  7.     int arr[]={4,2,6,4,2,5,6,2};
  8.     for(int i=0;i<n;++i)
  9.     {
  10.         mp[arr[i]]++;
  11.     }
  12.     for(auto &ele:mp)
  13.     {
  14.     cout<<"Occurence of "<<ele.first <<" = "<<ele.second<<endl;
  15.     }
  16.  
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 16064KB
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stdin
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Standard input is empty
stdout
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Occurence of 5 = 1
Occurence of 6 = 2
Occurence of 2 = 3
Occurence of 4 = 2
https://ideone.com/wzzlDT
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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