Even Number Pattern

Q. Write a C program to print the following even number pattern as:

 2
 2 4
 2 4 6
 2 4 6 8

Ans.

/*c program for even number pattern*/
#include<stdio.h>
int main()
{

 int r,c,p;
 for(r=1; r<=4; r++)
 {
   for(c=1,p=2; c<=r; c++,p=p+2)
     printf(" %d",p);
   printf("\n");
 }
 getch();
 return 0;
}

/************************************************************

The output of above program would be:

*************************************************************/

Figure: Screen shot for even number pattern C program