摘要： 题目描述：Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.Supposed the linked list is1 -> 2 -> ... 阅读全文

摘要： 题目描述：Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of the non-zero elements.For example, g... 阅读全文

摘要： 问题描述：You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3... 阅读全文

摘要： 转自：http://www.blogjava.net/dreamstone/archive/2007/08/08/134968.htmlfile的这几个取得path的方法各有不同，下边说说详细的区别概念上的区别：（内容来自jdk，个人感觉这个描述信息，只能让明白的人明白，不明白的人看起来还是有点难度... 阅读全文

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

摘要： 写的非常详细，可以参考http://www.cnblogs.com/ITtangtang/p/3978102.html 阅读全文

摘要： 题目描述：Given an unsorted integer array, find the first missing positive integer.For example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm shou... 阅读全文

摘要： 题目描述：Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each nu... 阅读全文