تحديات برمجيةالتحدي الخامس - حل التمرين الأول بلغة C++

#include <iostream>

int main() {

    int n;

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

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if ((i <= n / 2 && j <= n / 2) || (i > n / 2 + 1 && j > n / 2 + 1))
            {
                std::cout << " ";
            }
            else
            {
                std::cout << "*";
            }
        }
        std::cout << "\n";
    }

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

}

#include <iostream>

int main() {

    int n;

    do {
        std::cout << "Enter an odd number as 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; k++)
            {
                std::cout << " ";
            }
            for (int j = 1; j <= n / 2 + 1; j++)
            {
                std::cout << "*";
            }
        }
        else if (i == n / 2 + 1)
        {
            for (int j = 1; j <= n; j++)
            {
                std::cout << "*";
            }
        }
        else
        {
            for (int j = 1; j <= n / 2 + 1; j++)
            {
                std::cout << "*";
            }
        }
        std::cout << "\n";
    }

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

}

Enter an odd number as the number of lines: 9
    *****
    *****
    *****
    *****
*********
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*****