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  1. #include <stdio.h>
  2.  
  3. 	int sum (int n){
  4. 		if (n==0)
  5. 		return 0;
  6. 	else
  7. 	    return n+sum (n-1);
  8. 	}
  9. 	int main() {
  10. 		int n;
  11. 		printf("enter a number: ");
  12. 		scanf("%d",&n);
  13. 		printf ("sum 0 to %d is: %d\n",n,sum (n));
  14.  
  15.  
  16. 	// your code goes here
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5328KB
comments (?)
stdin 
Standard input is empty
stdout 
enter a number: sum 0 to 32767 is: 536854528
https://ideone.com/cKeerj
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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