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  1. #include<iostream>
  2. #include<cstdlib>
  3. using namespace std;
  4.  
  5. int fib(int n)
  6. {
  7.   if(n<3)
  8.     return 1;
  9.  
  10.   return fib(n-2)+fib(n-1);
  11. }
  12.  
  13. int main()
  14. {
  15.  
  16.   int n;
  17.   cin>>n;
  18.   cout<<fib(n)<<endl;
  19.  
  20.   system("pause");
  21.   return 0;
  22. }
  23.  
Success #stdin #stdout #stderr 0s 3144KB
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stdin
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Standard input is empty
stdout
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1
stderr
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sh: 1: pause: not found
https://ideone.com/k3LsZ8
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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