#include <cassert>
#include <cstddef>
#include <iostream>

int main() {
    int n = 4;
    int values[3] = {1, 2, 3};
    const std::size_t measured = sizeof(++n);
    static_assert(sizeof(char) == 1, "C++ byte");
    static_assert(sizeof(values) == 3 * sizeof(int), "array size");
    static_assert(sizeof(int&) == sizeof(int), "reference target");
    assert(n == 4);
    assert(measured == sizeof(int));
    std::cout << n << ' ' << sizeof(values) / sizeof(values[0]) << '\n';
}