#include <algorithm>
#include <array>
#include <chrono>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
 
std::string str(std::chrono::year_month_day ymd)
{
    std::ostringstream out;
#if CHRONO_COUT_IMPLEMENTED
    out << ymd;
#else
    out.fill('0');
    out.width(4);
    out << static_cast<int>(ymd.year()) << '/';
    out.width(2);
    out << static_cast<unsigned>(ymd.month()) << '/';
    out.width(2);
    out << static_cast<unsigned>(ymd.day());
    out.fill(' ');
#endif
    return out.str();
};
 
int main()
{
    using namespace std::literals;
 
    constexpr int column_size = 4;
    using table_t = std::array<std::string, column_size>;
 
    const auto data = std::to_array<table_t>
    ({
        { "Language", "Author", "Birthdate", "Death date" }, // header
        { "C", "Dennis Ritchie", str(1941y/9/9d), str(2011y/10/12d) },
        { "C++", "Bjarne Stroustrup", str(1950y/12/30d), {} },
        { "C#", "Anders Hejlsberg", str(1960y/12/2d), {} },
        { "Python", "Guido van Rossum", str(1956y/1/31d), {} },
        { "Javascript", "Brendan Eich", str(1961y/7/4d), {} },
    });
 
    const auto cols_w = [&data] // calculate width of each column
    {
        std::array<int, column_size> width;
        width.fill(0);
        for (auto const& row : data)
            for (auto i{0UZ}; i != row.size(); ++i)
                if (width[i] < static_cast<int>(row[i].size()) + 2)
                    width[i] = static_cast<int>(row[i].size()) + 2;
        return width;
    }(); // IILE
 
    auto print_line = [&cols_w](table_t const& tbl)
    {
        std::cout << '|';
        for (auto i{0UZ}; auto const& str : tbl)
        {
            std::cout.width(cols_w[i++]);
            std::cout << (' ' + str) << '|';
        }
        std::cout << '\n';
    };
 
    auto print_break = [&cols_w]
    {
        std::cout.put('+').fill('-');
        std::ranges::for_each(cols_w, [](int w)
        {
            std::cout.width(w);
            std::cout << '-' << '+';
        });
        std::cout.put('\n').fill(' ');
    };
 
    std::cout.setf(std::ios::left, std::ios::adjustfield);
    print_break();
    for (bool header{true}; auto const& entry : data)
    {
        print_line(entry);
        if (header)
        {
            print_break();
            header = false;
        }
    }
    print_break();
}