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  1. #include <stdio.h>
  2. ketqua(int n) {
  3. 	int s = 0;
  4. 	while(n > 0) {
  5. 		int k = n % 10;
  6. 		s += k;
  7. 		n /= 10;
  8. 	}
  9. 	return s;
  10. }
  11. int main()
  12. {
  13. 	int n;
  14. 	scanf("%d", &n);
  15. 	printf("%d", ketqua(n));
  16.  
  17. }
  18.  
Success #stdin #stdout 0.01s 5264KB
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https://ideone.com/MwLU7w
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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