Playing with variables

main.cpp

/*
    Author: Michele Adduci <info@micheleadduci.net>
*/
#include <iostream>
#include <cmath>

int main()
{
    std::cout << "The result of 3*3 is " << 3*3 << std::endl;
    int var_a = 3*3;
    int var_a_2 {3*3};
    std::cout << "The result of 3*3 is " << var_a << std::endl;
    std::cout << "Var A_2 is " << var_a_2 << std::endl;
    double var_b = 45.2/3.8*12;
    std::cout << "The result of 45.2/3.8*12 is " << var_b << std::endl;

    int var_c {var_b};
    auto var_d = var_b;
    std::cout << "Var C is " << var_c << std::endl
              << "Var D is " << var_d << std::endl;

    char var_e {'A'};
    int var_f {var_e};  //check this out
    auto var_g = var_e; //spot the difference here
    std::cout << "Var E is " << var_e << std::endl
              << "Var F is " << var_f << std::endl
              << "Var G is " << var_g << std::endl;

    auto var_sqrt = std::sqrt(150);
    std::cout << "The square root of 150 is " << var_sqrt << std::endl;

    auto var_pow = std::pow(2, 3); //2^3 = 2*2*2
    std::cout << "2^3 is " << var_pow << std::endl;

    return 0;
}