Trapping Rain Water
摘要：
Givennnon-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.Fo... 阅读全文
posted @ 2014-08-15 09:38 Step-BY-Step 阅读(129) 评论(0) 推荐(0) 编辑
