Lesson3

#include <iostream>
using namespace std;

void calc2nums() {
    int val1 = 0;
    int val2 = 0;
    cout << "input two numbers" << endl;
    cin >> val1 >> val2;
    cout << val1 << " + " << val2;
    cout << " = " << val1 + val2 << endl;
    cout << val1 << " * " << val2;
    cout << " = " << val1 * val2 << endl;
    cout << "average(" << val1;
    cout << ", " << val2 << ")";
    cout << " = " << (float)(val1 + val2) / 2 << endl;
}

void convertChars() {
    char ch = 'a';
    cout << ch << '\t' << (int)ch << endl;
    unsigned int val = 123;
    cout << val << '\t' << (char)val << endl;
    cout << R"(\t)" << '\t' << (int)'\t' << endl;
    cout << (unsigned char)(-10) << " " << (char)-10 << endl;
    cout << (unsigned int)(-10) << " " << (int)-10 << endl;
}

void calcPriceLabtop() {
    setlocale(LC_ALL, "Russian");
    cout << " Покупка ноутбука. " << endl;
    float price;        // цена
    unsigned int number;// количество
    int sale;           // скидка
    cout << "Введите цену ноутбука: "; cin >> price;
    cout << "Введите количество ноутбуков: "; cin >> number;
    cout << "Ведите величину скидки: "; cin >> sale;
    float procent = (1 - sale / 100.0);
    cout << "ИТОГО: " << number * price * procent << endl;
}

void getChetNum() {
    int val;
    cout << "Введите целое число: "; cin >> val;
    if ((val % 2) == 0)
        cout << "Число " << val << " четное." << endl;
    else
        cout << "Число " << val << " нечетное." << endl;
}

void showMin() {
    int val1, val2;
    cout << "Введите два числа:" << endl;
    cin >> val1;
    //cout << "\b\b\b\b";
    cin >> val2;
    //cout << "\b\b\b\b";
    if (val1 < val2)
        cout << val1;
    else
        cout << val2;
}

void main() {
    //calcPriceLabtop();
    setlocale(LC_ALL, "Russian");
    //getChetNum();
    //showMin();
    cout << "Hello world\b!" << endl;



}