pyramid

#include <iostream>
#include <string>

using namespace std;

int main(int argc, const char * argv[]) {
    // insert code here...

    int A = int('A');
    int Z = int('Z');


    std::cout << "Enter a letter\n";

    string letter;

    cin>>letter;

    char upper_char = toupper(letter[0]);

    int distance = int(upper_char) - A + 1;

    cout<<distance<<endl;

    for (int i = 0; i < distance; i++) {
        int number_of_spaces = distance - i;

        for (int j = 0; j < number_of_spaces; j++) {
            cout<<" ";
        }

        for (int j = 0; j < i; j++) {
            cout<<char(A + j);
        }

        cout<<char(A+i);

        for (int j = 0; j < i; j++) {
            cout<<char(A + i - j - 1);
        }

        for (int j = 0; j < number_of_spaces; j++) {
            cout<<" ";
        }
        cout<<endl;
    }

    return 0;
}