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  1. #include <iostream>
  2.  
  3. int main(){
  4.     int a, sum;
  5.     sum = 0;
  6.  
  7.     std::cin >> a;
  8.  
  9.     if(a<10){
  10.     	sum+=a;
  11.     }
  12.  
  13. 	while(a%10 != 0){
  14.     	sum+=a%10;
  15.         a=a/10;
  16.     }
  17.  
  18.     std::cout << sum << "\n";
  19. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
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5
stdout
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10
https://ideone.com/4pH0Qw
language:
C++ (gcc 8.3)
created:
4 hours ago
visibility:
public

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