c++ alphabet array

#include <iostream>

int main() {
    const int size = 26;
    char alphabet[size];

    // Step 1: Initialize the alphabet array with lowercase letters
    for (int i = 0; i < size; ++i) {
        alphabet[i] = 'a' + i;
    }

    // Step 2: Display the original alphabet array
    std::cout << "Original Alphabet Array: ";
    for (int i = 0; i < size; ++i) {
        std::cout << alphabet[i] << " ";
    }
    std::cout << "\n";

    // Step 3: Modify the alphabet array to uppercase letters
    for (int i = 0; i < size; ++i) {
        alphabet[i] = toupper(alphabet[i]);
    }

    // Step 4: Display the modified alphabet array
    std::cout << "Modified Alphabet Array: ";
    for (int i = 0; i < size; ++i) {
        std::cout << alphabet[i] << " ";
    }
    std::cout << "\n";

    return 0;
}