Hey everyone I just registered. Seems like a nice community and all the other sentimental BS :). So my problem in a nutshell is I wanna write a programme that calculates Large factorials (lets say 1000!) using linked lists(to store the numbers like 4 digits in each node). My problem is putting the result of such large factorials in Linked Lists so if you know how to give me an Idea about it pretty pretty thank you with a cherry on top. (If you don't have anything useful to say with all due respect keep your mouth shut.)
4  4273  sicarie 4,677
Recognized Expert Moderator Specialist
Wow, as incredibly pleasant as you are, and all that BS, did you try Googling this? There are several math libraries that you can include to store large numbers.
Like in this thread...
Wow, as incredibly pleasant as you are, and all that BS, did you try Googling this? There are several math libraries that you can include to store large numbers.
Like in this thread...
Well I wanted to prevent the posts like yours that's why I said those precautionary things. Yes, I've tried googling the answer to My question not yours and haven't found anything useful. Did you even read my post? Did I tell you my problem is storing large numbers? or did I tell it is storing large numbers IN LINKED LISTS. Thank you very much as incredibly smart as you are.
 sicarie 4,677
Recognized Expert Moderator Specialist
Well I wanted to prevent the posts like yours that's why I said those precautionary things. Yes, I've tried googling the answer to My question not yours and haven't found anything useful.
You wanted to stop people from posting useful links that related to your issue? Oh, sorry for trying to help, I guess you're good enough to be able to figure all this stuff out on your own... (not entirely sure why you're posting, then, but whatever)
Did you even read my post? Did I tell you my problem is storing large numbers? or did I tell it is storing large numbers IN LINKED LISTS. Thank you very much as incredibly smart as you are.
I did read your post. That's why I linked you to the thread with a link to a collection of mathematical libraries, including ones that will allow you to store large numbers (greater than those of an unsigned int).
And if you can't Google search "linked list c (or c++)," then I'm wasting my time anyway. So I'm done, best of luck figuring this out on your own.
Next time, it might be worth it to be nicer to the people offering help - and it might pay to read the things they post all the way through. (And to that end - the Guidelines for the site, which, had you read, would have made it clear that unless you had posted what you had tried, you would have gotten the standard answer I posted from any and every other person.)
Hey everyone I just registered. Seems like a nice community and all the other sentimental BS :). So my problem in a nutshell is I wanna write a programme that calculates Large factorials (lets say 1000!) using linked lists(to store the numbers like 4 digits in each node). My problem is putting the result of such large factorials in Linked Lists so if you know how to give me an Idea about it pretty pretty thank you with a cherry on top. (If you don't have anything useful to say with all due respect keep your mouth shut.)
For a big number you can find the factorial of big number by Sterling approximation formula.
n! ~ e^(-n)*n^n*Sqrt(2*P I*n)
Note: For very big number this approximation formula acuurate calculate as computer tolerate negligable.
If you wanna compute factorial by program then use this code -
Code removed per posting guidelines
-
Asadullah Ansari
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