Reuse the asterisk diamond program and create a function diamond (......) that t

Question

Reuse the asterisk diamond program and create a function diamond (......) that takes two values, an integer for the side of the diamond and a char value for the character printed and outputs the corresponding diamond shape. The function has default values, 5 for the side and * for the character. The user can choose to use the default values or specify new values. Do you want to use the default values? (Y/N): y Do you want to use the default values? (Y/N): n Enter an integer for the side of the diamond: 3 Enter a char value for the character printed: @

Explanation / Answer

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Code:
#include <iostream>
#include <string>
#include <locale>
using namespace std;

void diamond(int n = 5, char ch = '*')
{
    int no_of_symbols, i, j, k;
  
    // printing pyramid format
    no_of_symbols = 1;
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n -i; j++)
            cout << " ";
        for(k = 1; k <= no_of_symbols; k++)
            cout << ch;
        cout << " ";
        no_of_symbols += 2;
    }
    // printing reverse pyramid format
    for(i = 1; i <= n; i++){
        for(j = 1; j <= i; j++)
            cout << " ";
        for(k = no_of_symbols-4; k > 0; k--)
            cout << ch;
        cout << " ";
        no_of_symbols -= 2;
    }
  
}

int main()
{
    char choice, ch;
    int n;
  
    cout << "Do you want to use the default values? (Y/N) ";
    cin >> choice;
    if(tolower(choice) == 'y')
        diamond();
    else{
        cout << "Enter an integer for the side of the diamond: ";
        cin >> n;
        cout << "Enter a char value for the character to be printed: ";
        cin >> ch;
        diamond(n, ch);
    }
}

Execution output sceenshot:
https://pasteboard.co/GAGEQEr.png
https://pasteboard.co/GAGEVML.png

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