Number Pyramid Pattern

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

1  2  3  4  5

15 14 13 12

6  7  8

11 10

9

Ans.

/*c program for square number pyramid pattern*/

#include<stdio.h>

int main()

{

 int r,c,s1=1,s2=15;

 for(r=5; r>=1; r--)

 {
  if(r%2==0)
  {

    for(c=1; c<=r; c++,s2--)

       printf(" %d",s2);
  }

  else
  {
     for(c=1; c<=r; c++,s1++)

       printf(" %d",s1); 

  }

  printf("\n");

 }

 getch();

 return 0;

}

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

The output of above program would be:

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

Figure: Screen shot for square number pyramid C program