C++ BigInteger class

I’ve been going through the first Project Euler problems again, this time in C++. I’m reaching the point where I need some kind of an arbitrary precision integer math library.

Today, I actually find myself thinking about trying to write my own string integer class. I’m sure this isn’t efficient, and while I’m fairly sure I could deal with large integer addition, I’m not at all sure about subtraction or multiplication or division.


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