link arrange

#include <vector>
#include <string>
#include <algorithm>
#include <fstream>

int main() {
    std::ifstream source;
    source.open("sources.txt", std::ios::in);
    std::vector<std::string> data;
    while (source.good()) {
        std::string link;
        source >> link;
        data.push_back(link);
    }
    source.close();
    std::sort(data.begin(), data.end(), [](std::string& a, std::string& b) {return a < b; });
    std::ofstream outfile;
    outfile.open("output.txt");
    for (auto& link : data) {
        outfile << link << std::endl;
    }
}