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Aug 1st, 2015
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C++ 0.47 KB | None | 0 0
  1. #include <iostream>
  2. #include <fstream>
  3. #include <algorithm>
  4. #include <string>
  5. #include <vector>
  6.  
  7. int main()
  8. {
  9.     std::ifstream inp("classes.txt");
  10.     std::vector<std::string> lines;
  11.     std::string line;
  12.    
  13.     while (std::getline(inp, line))
  14.         lines.emplace_back(line);
  15.    
  16.     std::sort(lines.begin(), lines.end());
  17.    
  18.     std::ofstream outp("new.txt", std::ios::trunc);
  19.     for (auto const& line : lines)
  20.         std::cout << line << '\n';
  21. };
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