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  1. #include <stdio.h>
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main(void) {
  6. 	long n, tmp;
  7. 	int i, countdigit, sum;
  8.  
  9. 	cin >> n;
  10. 	countdigit=0;
  11. 	tmp=n;
  12. 	while (tmp > 0) {
  13. 		tmp /= 10;
  14. 		countdigit++;
  15. 	}
  16.  
  17. 	sum=0;
  18. 	i=countdigit;
  19. 	while (n > 0) {
  20. 		if(i<=(countdigit/2)){
  21. 			sum += n % 10;
  22. 		}
  23. 		n /= 10;
  24. 		i--;
  25. 	}
  26. 	cout << "summa ="<< sum<< endl;
  27. 	return 0;
  28. }
  29.  
Success #stdin #stdout 0s 15232KB
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stdout
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summa =10
https://ideone.com/pzKIuK
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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