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  1. #include <stdio.h>
  2.  
  3. int sumodd(int n){
  4. 	if(n==1){
  5. 		return 1;
  6. 	}
  7. 	else if(n%2==1){
  8. 		return n+sumodd(n-1);
  9. 	}
  10. 	else{
  11. 		return sumodd(n-1);
  12. 	}
  13. }
  14.  
  15. int main(void) {
  16. 	int n;
  17. 	scanf("%d",&n);
  18. 	printf("%d",sumodd(n));
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5284KB
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stdin
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5
stdout
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9
https://ideone.com/0CbMli
language:
C (gcc 8.3)
created:
188 days ago
visibility:
public

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