/*
VIM: let b:cf5build="clang -std=c++20 -O2 -pthread -lstdc++ -I. {SRC} -o {OUT}"
VIM: let b:cf5run="{OUT}"
*/
#include <iostream>
#include <exception>
#include <chrono>

struct A {
    long l;
    char c;
};

struct L {
    long l;
};

struct C {
    char c;
};

struct B {
    bool b;
};

int main ( void )
{try{
    auto begin = std::chrono::high_resolution_clock::now();

    A a;
    L l;
    C c;
    B b;

    std::cout << "sizeof(A)=" << sizeof(A) << " &a=" << &a <<std::endl;
    std::cout << "sizeof(L)=" << sizeof(L) << " &l=" << &l <<std::endl;
    std::cout << "sizeof(C)=" << sizeof(C) << " &c=" << &c <<std::endl;
    std::cout << "sizeof(B)=" << sizeof(B) << " &b=" << &b <<std::endl;
    //......

    auto end = std::chrono::high_resolution_clock::now();
    std::chrono::duration<double> seconds = end - begin;
    std::cout << "Time: " << seconds.count() << std::endl;
    return 0;
}
catch ( const std::exception& e )
{
    std::cerr << std::endl
            << "std::exception(\"" << e.what() << "\")." << std::endl;
    return 2;
}
catch ( ... )
{
    std::cerr  << std::endl
            << "unknown exception." << std::endl;
    return 1;
}}