Given a binary search tree, write a function kthSmallestto find the kth
smallest element in it.
Note:
You may assume k is always valid, 1 ≤ k ≤ BST's total elements.
解题思路：
求BST（二叉排序树）中第k小的数...
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其他好文 时间：
2015-07-05 16:53:00
阅读次数：
150
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are
all va...
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其他好文 时间：
2015-07-05 09:46:08
阅读次数：
95
引入cocoaPods后，第一次编译报这个错误
Pods was rejected as an implicit dependency for 'libPods.a' because its architectures 'x86_64' didn't contain all required architectures 'i386'
查了些资料，在网上有一种解决方法是去设置pod工...
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其他好文 时间：
2015-07-04 12:45:41
阅读次数：
260
Evaluate Reverse Polish NotationEvaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may ...
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编程语言 时间：
2015-07-04 00:45:19
阅读次数：
174
Spring & Hibernate 整合异常记录：org.hibernate.HibernateException: getFlushMode is not valid without active transaction原因thread注释该配置即可。
分类：
Web程序 时间：
2015-07-03 15:36:37
阅读次数：
238
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：
2015-07-03 13:55:42
阅读次数：
97
Given a string containing just the characters '(' and ')',
find the length of the longest valid (well-formed) parentheses substring.
For "(()", the longest valid parentheses substring is "()",
...
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其他好文 时间：
2015-07-03 00:20:43
阅读次数：
143
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,
“A man, a plan, a canal: Panama” is a palindrome.
“race a car” is not a palin...
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其他好文 时间：
2015-07-02 22:38:27
阅读次数：
132
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it.Note:
You may assume k is always valid, 1 ≤ k ≤ BST’s total elements.Follow up:
What if the BST is mod...
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其他好文 时间：
2015-07-02 22:37:12
阅读次数：
129
Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's tota...
分类：
其他好文 时间：
2015-07-02 22:30:24
阅读次数：
263
