摘要： 用 Vim 已经好长时间了，虽然还是有很多东西不习惯也不明白，但已经体会到它的方便之处，找了一个同学的 Vim 命令集，继续慢慢学慢慢用吧。不过这个命令集整理得有点乱，修改多次了还是不系统，太零碎了，将就点算了:)。 阅读全文

摘要： Recently, I began to review data structure and algorithms. Basicly I followed cuifenghui's steps. Yesterday I viewed his Big Integers Multiplication programs. Well, the idea is easy and great: use two char arrays to store two big numbers, then multiply them byte by byte. The following is my java version of his code. 阅读全文