2018年7月8日
Trapping Rain Water
摘要： 描述Given n non-negative integers representing an elevation map where the width of each bar is 1, computehow much water it is able to trap after raining 阅读全文
posted @ 2018-07-08 23:24 昵称真难想 阅读(115) 评论(0) 推荐(0) 编辑