fork download 
  1. #include<stdio.h>
  2. int sumodd(int n)
  3. {   if(n==1)  { return 1; }
  4. else if(n%2==0) { return sumodd(n-1); }
  5. else return n+sumodd(n-2);
  6. }
  7.  
  8. int main()
  9. { int x;
  10. scanf("%d",&x);
  11. printf("%d",sumodd(x));
  12. return 0;
  13. }
Success #stdin #stdout 0s 5272KB
comments (?)
stdin 
5
stdout 
9
https://ideone.com/kL1MV3
language:
C (gcc 8.3)
created:
111 days 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!