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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int fibonacci(int k)
  5. {
  6.     if (k == 1 || k == 2)
  7.         return k;
  8.  
  9.     return (fibonacci(k-1) + fibonacci(k-2));
  10. }
  11.  
  12. int evenfibonacci()
  13. {
  14.     int result = 0;
  15.     for (int k = 1; k <= 33; ++k) {
  16.         int value = fibonacci(k);
  17.         if (value % 2 == 0) {
  18.             result += value;
  19.         }
  20.     }
  21.     return result;
  22. }
  23.  
  24. int main()
  25. {
  26. 	cout << evenfibonacci();
  27. }
Success #stdin #stdout 0.03s 5568KB
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https://ideone.com/41gqKM
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
secret

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