fork download
copy 
  1. #include <string>
  2. #include <iostream>
  3. unsigned addiere_gerade_ziffern(const std::string& str)
  4. {
  5.     unsigned sum(0);
  6.     for(int i = 0; i < str.size() - 1; i += 2)
  7.     {
  8.         sum += static_cast<int>(str[i]-'0');
  9.     }
  10.     return sum;
  11. }
  12.  
  13. unsigned addiere_ungerade_ziffern(const std::string& str)
  14. {
  15.     unsigned sum(0);
  16.     for(int i = 1; i < str.size() - 1; i += 2)
  17.     {
  18.         sum += static_cast<int>(str[i]-'0');;
  19.     }
  20.     return sum;
  21. }
  22.  
  23. int main()
  24. {
  25.     std::string str("4012700963109");
  26.     std::cout << "addiere_gerade_ziffern: " << addiere_gerade_ziffern(str) << "\n";
  27.     std::cout << "addiere_ungerade_ziffern * 3: " << addiere_ungerade_ziffern(str) * 3 << "\n";
  28.     std::cout << "gesamtsumme: " << addiere_gerade_ziffern(str) +  addiere_ungerade_ziffern(str) * 3 << "\n";
  29. }
Success #stdin #stdout 0s 3016KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
addiere_gerade_ziffern: 19
addiere_ungerade_ziffern * 3: 42
gesamtsumme: 61
https://ideone.com/LLbllo
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!