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  1. #include <iostream>
  2. #include <algorithm>
  3.  
  4. std::string zu_string(int x)
  5. {
  6.     std::string fertig;
  7.     do
  8.         fertig.push_back(x % 10 + '0');
  9.     while(x /= 10);
  10.     std::reverse(fertig.begin(), fertig.end());
  11.     return fertig;
  12. }
  13.  
  14. std::string operator+(const std::string& b, int a)
  15. {
  16.     return (b + zu_string(a));
  17. }
  18.  
  19. int main()
  20. {
  21.     std::string x = "123" + 4;
  22.     std::cout << x;
  23. }
  24.  
Success #stdin #stdout 0.01s 2856KB
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https://ideone.com/iTM74
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
public

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