Pascals Triangle Program In C. By [CodeWithYash]

/*P6.25 Pascal’s triangle*/

#include<stdio.h>

long factorial(int);

long comb(int,int);

int main(void)

{

int i,j,k;

printf("Enter number of rows  for Pascal's triangle : ");

scanf("%d",&k);

for(i=0; i<k; i++)

{

for(j=0; j<=i; j++)

printf("%5ld",comb(i,j));

printf("\n");

}

return 0;

}

long comb(int n,int r)

{

long c;

c=factorial(n)/(factorial(r)*factorial(n-r));

return c;

}

long int factorial(int n)

{

int i;

long int fact=1;

if(n==0)

return 1;

for(i=n; i>1; i--)

fact*=i;

return fact;

}