Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given binary ...
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其他好文 时间：
2015-01-14 12:52:20
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176
1. SELECT语句的子查询语法:SELECT ... FROM (subquery) AS name ...先创建一个表:CREATE TABLE t1 (s1 INT, s2 CHAR(5), s3 FLOAT);INSERT INTO t1 VALUES (1,'1',1.0);INSERT...
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其他好文 时间：
2015-01-14 12:28:15
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207
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).
For example:
Given binary tree {3,9,20,#,#,15,7},
3
/ 9 20
...
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其他好文 时间：
2015-01-14 11:08:38
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226
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.
For example,
Given n = 3, your program should return all 5 unique BST's shown below.
1 3 ...
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其他好文 时间：
2015-01-14 09:52:27
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150
注意: 要覆盖 android 工程下values-v11下面的style.xml 中的数据更多关于android教程, 请关注 大神网 android教程
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2015-01-14 09:36:52
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111
https://oj.leetcode.com/problems/unique-binary-search-trees/Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For...
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其他好文 时间：
2015-01-13 21:13:32
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161
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
For example: Given the below binary tree and sum...
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其他好文 时间：
2015-01-13 19:55:05
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174
Given a binary tree, return the inorder traversal of its nodes' values.
For example:
Given binary tree {1,#,2,3},
1
2
/
3
return [1,3,2].
Note: Recursive solutio...
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其他好文 时间：
2015-01-13 19:51:27
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142
Given n, how many structurally unique BST's (binary search trees) that store values 1...n?
For example,
Given n = 3, there are a total of 5 unique BST's.
1 3 3 2 1
\ ...
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其他好文 时间：
2015-01-13 19:50:02
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147
问题描述：
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given ...
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其他好文 时间：
2015-01-13 19:49:51
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152
