تحديات برمجيةالتحدي الثاني - حل التمرين الخامس بلغة C++

#include <iostream>

int main() {

    int n;

    do
    {
        std::cout << "Enter the number of lines: ";
        std::cin >> n;
    }
    while (n <= 0 || n % 2 == 0);

    for (int i = 1; i <= n; i++)
    {
        if (i <= n / 2)
        {
            for (int k = 1; k < (n / 2) - i + 2; k++)
            {
                std::cout << " ";
            }
            for (int j = 1; j <= i; j++)
            {
                std::cout << "*";
            }
        }
        else
        {
            for (int k = 1; k < i - (n / 2); k++)
            {
                std::cout << " ";
            }
            for (int j = 1; j < n - i + 2; j++)
            {
                std::cout << "*";
            }
        }

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

    char end; std::cin >> end;
    return 0;

}

#include <iostream>

int main() {

    int n;

    do
    {
        std::cout << "Enter the number of lines: ";
        std::cin >> n;
    } while (n <= 0 || n % 2 == 0);

    for (int i = 1; i < (n / 2) + 2; i++)
    {
        for (int k = 1; k < (n / 2) - i + 2; k++)
        {
            std::cout << " ";
        }
        for (int j = 1; j <= i; j++)
        {
            std::cout << "*";
        }
        std::cout << "\n";
    }

    for (int i = 1; i <= n / 2; i++)
    {
        for (int k = 1; k <= i; k++)
        {
            std::cout << " ";
        }
        for (int j = 1; j < (n / 2) + 2 - i; j++)
        {
            std::cout << "*";
        }
        std::cout << "\n";
    }

    char end; std::cin >> end;
    return 0;

}

Enter the number of lines: 5
  *
 **
***
 **
  *