There are three rules to sort the structs.
This just struct sort. The most easy one with no tricks.
Using the math way of transforming the decimal to any number.
So our goal is to find whether there is a difference between two words that is not even.
Using stringstream can help make the problem easy. Using stringstream to traverse the sentence word by word.
The point of this problem is to input a string with spaces.
前面我们知道了，高速缓冲存储器在整个存储系统当中的视图及其功能，和构建高速缓冲存储器的理论（局部性原理）。
Valine is a comment system for blog or something else. It uses leancloud to store the message. And the tougher valine has a function that can reply the comment by email and locate to a certain page.
