Print Factorial | User Given Number | Using Function | C-Program

To print factorial user given number 

Tips:

1. Loop is required.
2. Concept of factorial required, example: (5!= 5 x 4 x 3 x 2 x 1)

Note : This program is written using a function. 

Code :

#include<stdio.h>

void main()

{
    factorial();

    getch();

 }

factorial()

{
    int i,n,b=1;

    printf("Enter a number to factorial:\n");

    scanf("%d",&n);

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

        b=b*i;

    printf("%d factorial is %d \n",n,b);

}

Output: