PASCAL TRIANGLE USING C PROGRAM

Q.) Write a C program to print PASCAL Triangle without using array

                                                or

      Write a C program to print PASCAL Triangle using for loop.

Sol )

#include<stdio.h>

#include<conio.h>

long fact(int) ;

int main()

{

      int line,i,j ;

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

      scanf("%d",&line) ;

   

      for(i=0;i<line;i++)

          {

               for(j=0;j<line-i-1;j++)

                         printf("  ");

               for(j=0;j<=i;j++)

                         printf("%ld ",fact(i)/(fact(j))*fact(i-j))) ;

               printf("\n") ;

           }

       return 0;

}

long fact(int num)

{

          long f=1;

          int i=1;

          while(i<=num)

             {

                   f=f*i ;

                   i++ ;

              }

          return f;

}

                                :: SAMPLE OUTPUT ::

Enter the number of lines : 6

                           1

                       1       1

                     1    2    1

                  1    3    3   1

                1   4     6    4   1

              1  5  10    10   5  1