Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
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其他好文 时间：
2015-02-18 11:45:52
阅读次数：
129
欢迎大家阅读参考，如有错误或疑问请留言纠正，谢谢
Balanced Binary Tree
Given a binary tree, determine if it is height-balanced.
For this problem, a height-balanced binary tree is defined as a binary tree in which th...
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其他好文 时间：
2015-02-17 10:24:07
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135
题目Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.If the last word does not exist, return 0.Note: A word is defined...
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其他好文 时间：
2015-02-15 10:46:47
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120
Given two strings S1 and S2, S = S1 - S2 is defined to be the remaining string after taking all the characters in S2 from S1. Your task is simply to c...
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其他好文 时间：
2015-02-14 16:11:18
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107
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Problem Description
A number sequence is defined as follows:
f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.
Given A, B, and n, you are to calculate the value of...
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其他好文 时间：
2015-02-12 22:50:53
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178
Given a binary tree, determine if it is height-balanced.
For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never diff...
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其他好文 时间：
2015-02-12 21:29:37
阅读次数：
256
从delphi.about.com上找了一个钩子的实现代码，写得很不错，可惜不支持64位，后来有一个帖子里说参考classes单元改改，就自己改了一下，现在分享给大家
修改部分如下
const
{$IF Defined(CPUX86)}
CodeBytes = 2;
{$ELSEIF Defined(CPUX64)}
CodeBytes = 8;
{$IFEND}
type
p...
定义：Defined an interface for creating an object,but let subclasses decide which class to instantiate.Factory Method let a class defer instantiation to ...
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其他好文 时间：
2015-02-12 15:44:15
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237
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationCo....
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移动开发 时间：
2015-02-12 15:35:16
阅读次数：
175
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
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其他好文 时间：
2015-02-11 21:56:18
阅读次数：
117
