fork(6) download
copy 
  1. #include <cstdlib>
  2. #include <ctime>
  3. #include <iostream>
  4. #include <string>
  5.  
  6. std::string genpass(size_t size)
  7. {
  8.     std::string pass;
  9.     pass.reserve(size);
  10.     for (size_t i = 0; i < size; i++)
  11.     {
  12.         char mode = std::rand() % 3;
  13.         char ch = 0;
  14.         switch (mode)
  15.         {
  16.             case 0:
  17.                 ch = rand() % 26 + 'a';
  18.                 break;
  19.  
  20.             case 1:
  21.                 ch = rand() % 26 + 'A';
  22.                 break;
  23.  
  24.             case 2:
  25.                 ch = rand() % 10 + '0';
  26.                 break;
  27.         }
  28.         pass.push_back(ch);
  29.     }
  30.     return pass;
  31. }
  32.  
  33. int main()
  34. {
  35.     std::srand(std::time(0));
  36.     std::cout << genpass(12U) << std::endl;
  37.     return 0;
  38. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
mP1MxN7gJv2h
https://ideone.com/uMR6bB
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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!