摘要： 题目描述：Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non... 阅读全文

摘要： 题目描述：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 raini... 阅读全文

摘要： 详细参考http://www.cnblogs.com/ITtangtang/archive/2012/05/01/2477563.html 阅读全文