本人作业 C++初学者编写的hugelnt类型，用于计算超出long int类型的各种数的运算，编写的比较差，各位大佬看着用即可。重载的>>,<<,+,-,*，%，/，<,>,==,!=. 来自fzu，2017级学子(The Hugelnt type written by C++ beginners is used to calculate various numbers beyond the type of long int, and the wri