fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int sumodd(n){
  4.  
  5. 	if(n<1) return 0;
  6.  
  7. 	else if(n%2==1) return sumodd(n-1)+n;
  8.  
  9. 	else return sumodd(n-1);
  10.  
  11. }
  12.  
  13. int main(void) {
  14.  
  15. 	int n;
  16.  
  17. 	scanf("%d",&n);
  18.  
  19. 	printf("%d",sumodd(n));
  20.  
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
6
stdout
copy 
9
https://ideone.com/onBAEU
language:
C (gcc 8.3)
created:
7 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!