C Programme to print series 2, 4, 16,……,n*n using shorthand operator and while loop.

Print series 2, 4, 16,……,n*n using shorthand operator and while loop.

#include<stdio.h>

#include<conio.h>

int main()

{

            int n,x;  // declare the variable

            long double i=2;  //declare the variable of long double type

            clrscr(); 

            printf("Enter the number : ");

            scanf("%d",&n);

            printf("\n");

            x=1;

            while(x<=n)   //  loop will be execute till the value of x I less or equal n

            {

                        printf("%.2Lf\n",i);  // print the value of I upto 2 decimals only

                        x++;

                        i*=i;

            }

            getch();

            return 0;

}

Output:

Enter the number : 4

2.00

4.00

16.00

256.00