Pattern printing program

Pattern Number #102

123454321
1234_4321
123___321
12_____21
1_______1

The program for the pattern is written in C# programming language and will accept a number as input. The loops will iterate based on the number of entry.
 
Pattern printing program

Note: If you are new to C# and Console Application. Try to code First C# Program

Note: Read articles on how to use Loops and Conditions.

Let’s find out a simple and easy way to code these pattern.

Practical Implementation:

using System;

namespace patternProblem
{
    class Pattern102
    {
        public static void Main()
        {
            Console.WriteLine("Enter loop iteration times: ");
            int n = Convert.ToInt32(Console.ReadLine());
            int j;
            int i;
            int k;
            Console.WriteLine("-----Output-----");
            Console.WriteLine();

            for (i = n; i >= 1; i--)
            {
                for (j = 1; j <= i; j++)
                {
                    Console.Write(j);
                }
                if (i == n)
                {
                    for (j = j - 2; j >= 1; j--)
                    {
                        Console.Write(j);
                    }
                }
                else
                {
                    for (k = 1; k <= (2 * (n - i - 1) + 1); k++)
                    {
                        Console.Write("_");
                    }
                    for (j = j - 1; j >= 1; j--)
                    {
                        Console.Write(j);
                    }
                }
                Console.WriteLine();
            }

            Console.ReadKey();
        }
    }
}

Output:
The input number here is 5. So, the program will iterate five times. The output is shown below:

Enter loop iteration times:
5
-----Output-----

123454321
1234_4321
123___321
12_____21
1_______1
Press any key to continue . . .


For any query, comment us below.

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