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  1. #include <stdio.h>
  2.  
  3. int input(int *n){
  4. 	printf("Enter n: ");
  5. 	scanf("%d",n);
  6. }
  7.  
  8. void sumN(int *sum, int n){
  9.  
  10. 	*sum = 0;	
  11. 		while(n > 0){
  12. 		*sum += n % 10;
  13. 		n /= 10;
  14. 	}
  15.  
  16. }
  17.  
  18. int output(int sum){
  19. 	int n;
  20. 	printf("Sum digit = %d",sum);
  21. 	return sum;
  22. }
  23.  
  24. int main(){
  25. 	int n, sum;
  26. 	input(&n);
  27.     sumN(&sum,n);
  28. 	output(sum);
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 9424KB
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stdin
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123
stdout
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Enter n: Sum digit = 6
https://ideone.com/YIwemc
Sherly1001
language:
C (gcc 8.3)
created:
6 years ago
visibility:
secret

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