BR012nestedLoopsPractice

#include <iostream>
#include <chrono>
#include <thread>

/*
* side = 5
*
*
    0   1   2   3   4
0   #   #   #   #   #
1   #   #   #   #   #
2   #   #   #   #   #
3   #   #   #   #   #
4   #   #   #   #   #


    0   1   2   3   4
0   *   *   *   *   *
1   #   *   *   *   *
2   #   #   *   *   *
3   #   #   #   *   *
4   #   #   #   #   *

 */

// -4   -3  -2  -1  0   1   2   3   4
//       b   >   a      a   <   b

// a < b

// a > b

// a >= b
// -a <= -b

int main()
{

    int side{5};
    //std::cout << "enter line length\n";
    //std::cin >> side;
    char symb = '#';

    for (int y{ 0 }; y < side; ++y)
    {
        for (int x{ 0 }; x < side; ++x)
        {
            symb = '*';

            //if ((x + y == (side - 1)) or (x == y))
            if (x + y >= (side - 1) or (x <= y))
            {
                symb = ' ';
            }

            std::cout << ' ' << symb << ' ';

        }
        std::cout << '\n';
    }

    return 0;
}
//std::this_thread::sleep_for(std::chrono::milliseconds(200)); //make some pause for better output look :)