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C# program to print upper and lower diamond of asterisks till N rows

Here, we are going to learn how to write a C# program that will print upper and lower diamond pattern till N rows?
Submitted by IncludeHelp, on March 26, 2018

Read N (Total number of rows) and print the upper, lower diamond pattern of asterisks in C#.

Pattern -1

        *
       * * 
      * * *
     * * * *
    * * * * *
    ----- till n rows

Program

using System;
using System.Collections;

namespace ConsoleApplication1
{
 
    class Program
    {
        static void Main()
        {
            int inner = 0;
            int outer = 0;
            int space = 0;
            int n = 0;

            Console.Write("Enter value of n: ");
            n = int.Parse(Console.ReadLine());

            for (outer = 1; outer <= n; outer++)
            {
                for (space =n; space>outer; space--)
                {
                    Console.Write(" ");
                }

                for (inner = 1; inner <=outer; inner++)
                {
                    Console.Write("* ");
                }
                Console.WriteLine();
            }
        }
    }
}

Pattern -2

    * * * * *
     * * * *
      * * *
       * *
        *
    ----- till n rows.

Program

using System;
using System.Collections;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main()
        {
            int inner = 0;
            int outer = 0;
            int space = 0;
            int n = 0;

            Console.Write("Enter value of n: ");
            n = int.Parse(Console.ReadLine());

            for (outer = 1; outer <= n; outer++)
            {
                for (space = 1; space < outer; space++)
                {
                    Console.Write(" ");
                }

                for (inner = outer; inner <= n; inner++)
                {
                    Console.Write("* ");
                }
                Console.WriteLine();
            }

        }
    }
}




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