You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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编程语言 时间:
2015-04-23 22:54:56
阅读次数:
140
题目:
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it ...
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其他好文 时间:
2015-04-23 21:50:12
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155
单例模式就是指保证实例化出来的对象是唯一的。单例模式关键有三点:1.私有化空构造函数;2.建立一个静态该类类型的字段;3.建立一个能生成唯一实例的静态方法;public class Order { private Order() { } ...
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其他好文 时间:
2015-04-23 21:40:59
阅读次数:
120
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order...
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其他好文 时间:
2015-04-23 20:00:43
阅读次数:
147
出自:http://www.2cto.com/database/201307/227103.htmlSql Server Row_Number()学习Row_Number():row_number()主要是为选出的每一条记录按照一定的排序方式生成一个行序号。语法:1ROW_NUMBER ( ) OV...
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其他好文 时间:
2015-04-23 19:40:55
阅读次数:
138
题目:Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't ...
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其他好文 时间:
2015-04-23 15:14:35
阅读次数:
107
problem:
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).
For example:
Given binary tree...
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其他好文 时间:
2015-04-23 11:02:24
阅读次数:
163
problem:
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.
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Tree Depth-first
Search
题意:将一个递增的序列 转换成一棵 平衡查找二叉树
...
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其他好文 时间:
2015-04-23 10:59:34
阅读次数:
201
problem:
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.
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Depth-first Search Linked
List
题意:给定一个递增的单链表,将其转...
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其他好文 时间:
2015-04-23 10:58:24
阅读次数:
165
Given an array and a value, remove all instances of that value in place and return the new length.
The order of elements can be changed. It doesn't matter what you leave beyond the new length.
时间复...
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其他好文 时间:
2015-04-23 09:43:01
阅读次数:
196