Factorial in C Program

Factorial in C Program

#include<stdio.h>
main()
{
    int num,f,i;
    printf("Enter a number: ");
    scanf("%d",&num);
    f=1;
    i=1;
    while(i<=num)
    {
        f = f * i;
        i++;
    }
    printf("Factorial of %d is: %d",num,f);
}