Pattern Program In C# (Part – 2)

This article helps to create a star pattern in the C# console application (Part -2).

6.

1
21
321
4321
54321

static void Main(string[] args)
{
    int i, j, n ;
    string data;
    Console.Write("enter a number");
    data = Console.ReadLine();
    n = Convert.ToInt16(data);
    for (i = 1; i <=n; i++)
    {
        for (j = n; j >= 1; j--)
        {
            if (i == j)
            {
                for (int k = i; k >= 1; k--)
                {
                    Console.Write(k);
                }
            }
            else
            {
                 Console.Write(" ");
            }


        }
        Console.WriteLine();
     }
    Console.ReadLine();
}

 

7.

 

static void Main(string[] args)
 {
     int i,j, n = 5;
     int flag = 1;
     for (i = 1; i <=n ; i++)
     {
         flag = i;
         for (j= 1; j <= i; j++)
         {

             for (j = 1; j <= (n-i); j++)
             {
                 Console.Write(" ");
             }
             for (j = flag; j <= flag +(i-1) ; j++)
             {
                 Console.Write(j);
             }
             if (i != 1)
             {
                 for (j = flag + (i-2); j >= flag; j--)
                 {
                     Console.Write(j);
                 }
             }
             
             for (j = 1; j <= (n - i); j++)
             {
                 Console.Write(" ");
             }
             //Console.WriteLine();
             break;
         }
         Console.WriteLine();
     }
     Console.ReadLine();
 }

8.

54321
4321
321
21
1

static void Main(string[] args)
  {
      int i, j, n;
      string data;
      Console.Write("enter a number");
      data = Console.ReadLine();
      n = Convert.ToInt16(data);
      for (i = n; i >=1; i--)
      {
          for (j = n; j >= 1; j--)
          {
              if (i == j)
              {
                  for (int k = i; k >= 1; k--)
                  {
                      Console.Write(k);
                  }
              }
              else
              {
                  Console.Write(" ");
              }


          }
          Console.WriteLine();
      }
      Console.ReadLine();
  }

9.

static void Main(string[] args)
{
    int i, n,j;
    string data;
    Console.Write("enter a odd number");
    data = Console.ReadLine();
    n = Convert.ToInt16(data);
    int no = 0;
    decimal value = Convert.ToDecimal(n / 2);
    int midvalue = Convert.ToInt16(Math.Round(value));
    if (n % 2 == 0)
    {
        Console.WriteLine("please enter odd number");
        Console.ReadLine();
    }
    else
    {
        
        for (i = midvalue; i > 1; i--)
        {
            if (i == midvalue)
            {
                for (j = 1; j <= n; j++)
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            
            
            for (j = 1; j <= i; j++)
            {
                Console.Write("*");
            }
            for (j = (2*(i-1)); j <= (1*(n-3)); j++)
            {
                Console.Write(" ");
            }
            for (j = 1; j <= i; j++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }
        for (i = 1; i <= midvalue; i++)
        {
            for (j = 1; j <= i; j++)
            {
                Console.Write("*");
            }
            for (j = (2 * (i - 1)); j <= (1 * (n - 3)); j++)
            {
                Console.Write(" ");
            }
            for (j = 1; j <= i; j++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
            if (i == midvalue)
            {
                for (j = 1; j <= n; j++)
                {
                    Console.Write("*");
                }
            }
            
        }
        
        Console.ReadLine();
    }
  }

also more pattern in Part -1 Here