摘要：
直方图的最大矩形面积 poj 2559 高度保持单调增，弹出时向最右看。 c++ include include include include include include include include include include using namespace std; typedef 阅读全文
摘要：
C The Number Of Good Substrings 我原来的基本思路也是这样，但是写的不够好 注意算前缀和的时候，字符串起始最好从1开始。 阅读全文