#include <array>
#include <cstddef>
#include <iostream>
#include <vector>

int main() {
    using Values = std::vector<int>;
    using Triple = std::array<int, 3>;
    using Item = Values::value_type;
    using Count = Values::size_type;
    Item sample{7};
    Count count{3};
    std::size_t bytes{sizeof(sample)};
    std::cout << sample << ' ' << count << ' ' << (bytes == sizeof(int)) << '\n';
    std::cout << (sizeof(char) == 1) << ' '
              << (sizeof(Triple) >= 3 * sizeof(int)) << '\n';
    return 0;
}