Code of hollow diamond in cpp language

#include <iostream>

int main() {
    int size;

    std::cout << "Enter the size of the diamond (odd number recommended): ";
    std::cin >> size;

    // Ensure size is odd for a symmetrical diamond
    if (size % 2 == 0) {
        size++;
        std::cout << "Size adjusted to the next odd number: " << size << std::endl;
    }

    int midRow = size / 2;

    // Upper half of the diamond
    for (int i = 0; i <= midRow; ++i) {
        // Print leading spaces
        for (int j = 0; j < midRow - i; ++j) {
            std::cout << " ";
        }
        // Print the first star
        std::cout << "*";
        // Print spaces between stars for the hollow part
        if (i > 0) {
            for (int j = 0; j < 2 * i - 1; ++j) {
                std::cout << " ";
            }
            // Print the second star
            std::cout << "*";
        }
        std::cout << std::endl;
    }

    // Lower half of the diamond
    for (int i = midRow - 1; i >= 0; --i) {
        // Print leading spaces
        for (int j = 0; j < midRow - i; ++j) {
            std::cout << " ";
        }
        // Print the first star
        std::cout << "*";
        // Print spaces between stars for the hollow part
        if (i > 0) {
            for (int j = 0; j < 2 * i - 1; ++j) {
                std::cout << " ";
            }
            // Print the second star
            std::cout << "*";
        }
        std::cout << std::endl;
    }

    return 0;
}