How to implement big int in C++

Question

I\'d like to implement a big int class in C++ as a programming exercise—a class that can handle numbers bigger than a long int. I know that there are several open sou

Answer 1

Like others said, do it to old fashioned long-hand way, but stay away from doing this all in base 10. I'd suggest doing it all in base 65536, and storing things in an array of longs.