n月前写的，今天看到了，死活run不了了
by zsuvion @ 2021-09-21 10:51:22
https://github.com/Baobaobear/MiniBigInteger/
by d0j1a_1701 @ 2021-09-21 10:57:48
[写个这样的如何？](https://www.luogu.com.cn/blog/myee/high-precision-integer)
by myee @ 2021-09-21 11:36:21