发布时间：2015-07-07 11:42:36
//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.<br />//<br />//For example, <br />//Given [0,1,0,2,1,0,1,3,2,1,2,1], return 6.<br />import java.util.ArrayList;<br /><br /><br />import.........【阅读全文】
