Write a c# program to print alphabet triangle.

 

using System;

public class PrintAlphabetTriangle
{
    public static void Main(string[] args)
    {
        // Declare variables
        int row, col;
        char ch = 'A';

        // Print the alphabet triangle
        for (row = 1; row <= 5; row++)
        {
            for (col = 5; col >= row; col--)
            {
                Console.Write(" ");
            }

            for (col = 1; col <= row; col++)
            {
                Console.Write(ch++);
            }

            ch--;
            Console.WriteLine();
        }
    }
}