2015年12月21日
42. 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 @ 2015-12-21 22:31 wxquare 阅读(178) 评论(0) 推荐(0) 编辑
227. Basic Calculator II
摘要： Implement a basic calculator to evaluate a simple expression string.The expression string contains onlynon-negativeintegers,+,-,*,/operators and empty... 阅读全文
posted @ 2015-12-21 21:37 wxquare 阅读(194) 评论(0) 推荐(0) 编辑