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- #include <iostream>
- #include <fstream>
- #include <algorithm>
- #include <string>
- #include <vector>
- int main()
- {
- std::ifstream inp("classes.txt");
- std::vector<std::string> lines;
- std::string line;
- while (std::getline(inp, line))
- lines.emplace_back(line);
- std::sort(lines.begin(), lines.end());
- std::ofstream outp("new.txt", std::ios::trunc);
- for (auto const& line : lines)
- std::cout << line << '\n';
- };
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