fork download
copy 
  1. #include<iostream>
  2. #define ll long long 
  3. using namespace std;
  4. ll n ;
  5. ll fib(ll n)
  6. {
  7. 	return n <= 1 ? n : fib(n - 1) + fib(n - 2);
  8. }
  9.  
  10.  
  11. int main(void)
  12. {
  13. 	cin >> n;
  14.  
  15. 	cout << fib(n);
  16. }
  17.  
  18.  
  19.  
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
8
stdout
copy 
21
https://ideone.com/xoQiSd
language:
C++14 (gcc 8.3)
created:
4 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!