main.cpp

#include <iostream>
#include <string>

int addNumbers(int first_number, int second_number)
{
    int sum = first_number + second_number;
    return sum;
}

int main()
{
    // int first_number;
    // int second_number;
    // int sum;

    /* first_number = 19;
    second_number = 11;

    std::cout << "First Number: " << first_number << std::endl;
    std::cout << "Second Number: " << second_number << std::endl;

    sum = first_number + second_number;
    std::cout << "Sum = " << sum << std::endl;

    sum = addNumbers(1, 200);
    std::cout << "Sum = " << sum << std::endl;

    sum = addNumbers(22.4, 99);
    std::cout << "New Sum Value = " << sum << std::endl;
    */

    // int user_age;
    // std::string user_name;

    /*
    std::cout << "What is your name: " << std::endl;
    std::getline(std::cin, user_name);

    std::cout << "How old are you: " << std::endl;
    std::cin >> user_age;

    std::cout << "Welcome " << user_name << ", you are " << user_age << " years old" << std::endl;

    std::clog << "Log Message: Something is wrong" << std::endl;
    std::cerr << "Error Alert! Check All Systems!!" << std::endl;
    */

    // int number1;
    // int number2;
    // int number3;
    // int number4;

    /*
    number1 = 15;
    number2 = 017;
    number3 = 0x0f;
    number4 = 0b00001111;

    std::cout << "Number: " << number1 << std::endl;
    std::cout << "Number: " << number2 << std::endl;
    std::cout << "Number: " << number3 << std::endl;
    std::cout << "Number: " << number4 << std::endl;
    */

    /*
    int number;                       // without braces
    std::cout << number << std::endl; // assigns random number to integer

    int body_count{};                     // with braces
    std::cout << body_count << std::endl; // initialises at 0, unless declared

    int my_count{11};
    std::cout << my_count << std::endl; // initialises at 11

    int his_count{19};
    std::cout << his_count << std::endl; // initialises at 19

    int our_counts{my_count + his_count};
    std::cout << our_counts << std::endl; // declares sum total 30

    ///int num_error_check(2.9); // cuts of .9
    ///std::cout << num_error_check << std::endl;

    //int num_error_check{2.9}; // gives Warning! not int, double/float data type
    //std::cout << num_error_check << std::endl;

    int num_error_check(2 + 5); // outputs 7
    std::cout << num_error_check << std::endl;
    */

    // Size Op
    /*
    int best_one = 3.4;
    int next_best = 9.6;

    std::cout << "Size Of int: " << sizeof(int) << std::endl;
    std::cout << "Size of Best one: " << sizeof(best_one) << std::endl;
    */

    // Integr Modifier
    /*
    int value{11};
    int another_value{-221}; //works 
    signed int value{11};
    signed int another_value{-221}; //works normally

    unsigned int value{11};
    unsigned int another_value{-221}; //won't work | compile error

    std::cout << value << std::endl;
    std::cout << another_value << std::endl;
    */

    //Floats and Doubles

    return 0;
}