Number pyramid 1

 Q.) Write a program to print the following number pyramid:

1

123

12345

1234567      

Sol)

#include<stdio.h>

int main()

{ 

int num, r, c, p=1;

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

scanf("%d", &num) ;

for(r=1; r<=num; r++,p=p+2)

{

   for(c=1; c<=p; c++)

      {

        printf("%d",c) ;

       }

   printf("\n") ;

}

return 0 ;

}