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  1. #include <cmath>
  2. #include <iostream>
  3.  
  4. int sumDiv(int x)
  5. {
  6.     int s = 0;
  7.     for(int i = 1; i < x; ++i)
  8.     {
  9.         if(x % i == 0)
  10.             s += i;
  11.     }
  12.     return s;
  13. }
  14.  
  15. int main()
  16. { 
  17.     for(int i = 1; i <= 2000; ++i)
  18.     {
  19.         int a = sumDiv(i);
  20.         if(a == i)
  21.             std::cout << i << std::endl;
  22.     }  
  23. }
Success #stdin #stdout 0.03s 2896KB
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6
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https://ideone.com/wbaQYL
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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