fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. int Input()
  4. {
  5.     int x;
  6.     cin>>x;
  7.     return x;
  8. }
  9. int sum_even_divisor(int n)
  10. {
  11.     int S=0;
  12.     for (int i=2;i<=n;i=i+2)
  13.     {
  14.         if (n%i ==0)
  15.         S += i;
  16.     }
  17.     if (S==0)
  18.     {
  19.         return -1;
  20.     }
  21.     return S;
  22. }
  23. int main() {
  24. 	int n;
  25. 	n=Input();
  26. 	cout << sum_even_divisor(n);
  27. }
Success #stdin #stdout 0s 5420KB
comments (?)
stdin
copy 
8
stdout
copy 
14
https://ideone.com/e0eXfE
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!