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Jan 17th, 2019
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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int sumcif(int x)
  5. {
  6.     int s=0;
  7.     while(x)
  8.     {
  9.         s+=x%10;
  10.         x/=10;
  11.     }
  12.     return s;
  13. }
  14.  
  15. int main()
  16. {
  17.     int n,i,j,C=0;
  18.     cin>>n;
  19.     int v[n];
  20.     for(i=0;i<n;i++)
  21.         cin>>v[i];
  22.     for(i=0;i<n;i++)
  23.        for(j=i+1;j<n;j++)
  24.          if(sumcif(v[i])==sumcif(v[j]))
  25.             C++;
  26.    cout<<C;
  27. }
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