+500
 



C# program which prints an identity matrix using for loop

Program statement:
Write a program which prints an identity matrix using for loop i.e. takes value n from user and show the identity table of size n * n.

Solution:
static void Main(string[] args)
        {
            int n,i,j;
            Console.WriteLine("Enter value of n:");
            n = Convert.ToInt32(Console.ReadLine());
              int[,]  arr=new int[n,n];
            
            for (i = 0; i < n; i++)
            {
                for (j = 0; j < n; j++)
                {
                    if (i == j)
                        arr[i, j] = 1;
                    else
                        arr[i, j] = 0;
                    Console.Write(arr[i, j]);
                }
                Console.WriteLine();  
            }
            Console.ReadLine();
        }



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