2017年10月6日
leetcode42. Trapping Rain Water
摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文
posted @ 2017-10-06 17:20 夜清浅 阅读(260) 评论(0) 推荐(0)