Number pyramid 2

Q) Write a C program to print the following :-

1

2 3

4 5 6

7 8 9 1

2 3 4 5 6

Sol)

#include<stdio.h>

void pyramid(int );    //prototype

int main( )

{

int num;

printf(" Enter the number of rows : ") ;

pyramid(num) ;     // Call

return 0;

}

void pyramid(int n  )    //definition

{

int r,c,x=1,y=1;

for(r=1;r<=n; r++)

   {   

     for(c=1; c<=r; c++,x++)

      {

       if(x<=9)

           printf("%d", x);

      else

         {

           printf("%d", y);

           y++;

         }

      }

printf("\n");

   }

}