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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int fib(int n) {
  5.     if (n == 0) {
  6.         return 0;
  7.     }
  8.     if (n == 1) {
  9.         return 1;
  10.     }
  11.  
  12.     return fib(n-1) + fib(n-2);
  13. }
  14.  
  15. int main() {
  16.     ios_base::sync_with_stdio(0);
  17.     cin.tie(0);
  18.  
  19.     int n;
  20.     cin >> n;
  21.  
  22.     cout << fib(n);
  23.  
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/jHS6m4
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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