/*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; }