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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int fibonacci(int n) {
  5.     int f0 = 0, f1 = 1, fibo = 0;
  6.  
  7.     for (int i = 0; i < n; i++) {
  8.         fibo = f0 + f1;
  9.         f0 = f1;
  10.         f1 = fibo;
  11.     }
  12.     return f0;
  13. }
  14.  
  15. int main() {
  16.     int n;
  17.     cin >> n;
  18.     cout << fibonacci(n) << endl;
  19.     return 0;
  20. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/gLh5sG
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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