C# Exercise: 50 Triangle

using System;  // Import the System namespace to use basic classes like Console

class Program  // Define the main class of the program
{
    static void Main()  // The entry point of the program
    {
        // Ask the user to enter a symbol
        Console.Write("Enter a symbol: ");
        char symbol = Console.ReadKey().KeyChar;  // Read the symbol input from the user
        Console.WriteLine();  // Move to the next line after the symbol input

        // Ask the user to enter the desired width for the triangle
        Console.Write("Enter the desired width: ");
        int width = int.Parse(Console.ReadLine());  // Read the width and convert it to an integer

        // Loop to display the triangle
        for (int i = width; i > 0; i--)  // Start from the width and decrease until 1
        {
            // Inner loop to print the symbol 'i' times in each row
            for (int j = 0; j < i; j++)  // Repeat the symbol 'i' times
            {
                Console.Write(symbol);  // Print the symbol
            }
            Console.WriteLine();  // Move to the next line after printing the row
        }
    }
}