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  1. #include <stdio.h>
  2.  
  3. int sumodd(int n)
  4. {
  5. 	if(n<=0)
  6. 		return 0;
  7. 	else
  8. 		if(n%2==0)
  9. 			return sumodd(n-1);
  10. 		else
  11. 			return n+sumodd(n-2);
  12. }
  13.  
  14. int main(void) {
  15.  
  16. 	int n;
  17. 	scanf("%d",&n);
  18. 	printf("%d",sumodd(n));
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5272KB
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https://ideone.com/SE610k
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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