lesson20_322

#include <iostream>

#define _USE_MATH_DEFINES
#include <math.h>

using namespace std;

/*
using std::cout;
using std::cin;
using std::endl;
*/

double d = M_PI;

//void ff;
//#define cout std::cout

#define begin {
#define end }
#define пока while

int my_sum_couter = 0;

int my_sum(int a, int b) {
    /*
    void mult(int c, int d) {
    }
    */

    //int a = 3;
    //int b = 4;
    my_sum_couter++;
    return a + b;
}

void print() {
    int x = 0;
    пока(x < 10) begin
        cout << x++;
    end
    cout << endl;

    cout << my_sum << endl;

    cout << my_sum_couter << endl;

    cout << "3 + 4 = " << my_sum(3, 4) << endl;
    cout << "1 + 5 = " << my_sum(1, 5) << endl;
    cout << "4 + 5 = " << my_sum(4, 5) << endl;

    cout << my_sum_couter << endl;
}

void draw_rectangle(int w, int h, char ch) {
    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            cout << ch << " ";
        }
        cout << endl;
    }
}

int val = 5;

void task_global() {
    int val = 6;
    //std::endl;
    cout << val << " " << ::val << endl;
}

void showinverse(int size, int arr[]) {
    for (int k = size - 1; k >= 0; k--)
        cout << arr[k] << ",";
    cout << endl;
}

void showinverse2(int size, int arr[]) {
    for (int k = 0; k < size; k++)
        cout << arr[size - 1 - k] << ",";
    cout << endl;
}

void show_tabs() {
    for (int k = 1; k <= 8; k++) {
        for (char ch = 'A'; ch <= 'H'; ch++) {
            cout << ch << k << " ";
        }
        cout << endl;
    }
}

void test_showinverse() {
    int arr[]{ 1,2,3,4 };
    showinverse2(size(arr), arr);
    // 4,3,2,1,
}

void sum_userinput() {
    static int sum = 0;
    //sum = 0; -
    int a;
    cin >> a;
    sum += a;
    cout << sum << endl;
}

void test_cout_atribut() {
    int x = 250;
    cout << x << endl;
    cout << hex << x << dec << endl;
    cout << x << endl;
    cout << dec << x << endl;
    cout << (cout.width(5), x);
    cout << (cout.width(5), x);
}

int main() {
    //void rr;
    print();
    draw_rectangle(3, 7, '&');
    task_global();
    cout << val << endl;
    test_showinverse();
    show_tabs();

    //sum_userinput();
    //sum_userinput();
    //sum_userinput();

    test_cout_atribut();

    return 0;
}