【题目】
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 {3,9,20,#,#,15,7},
3
/ 9 20
/ 15 7
return its b...
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其他好文 时间:
2014-06-20 09:42:30
阅读次数:
224
Given an array where elements are sorted in
ascending order, convert it to a height balanced BST./** * Definition for binary
tree * public class TreeN...
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其他好文 时间:
2014-06-11 21:58:10
阅读次数:
300
原题地址:https://oj.leetcode.com/problems/search-insert-position/题意:Given
a sorted array and a target value, return the index if the target is found. If
n...
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编程语言 时间:
2014-06-11 11:28:40
阅读次数:
349
Incomputer science, aheapis a
specializedtree-baseddata structurethat satisfies theheap property:If A is a
parentnodeof B then the key of node A is or...
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其他好文 时间:
2014-06-11 09:23:53
阅读次数:
376
2014-06-06 17:23:19:082 ERROR
DbQueryExceptionHandler:80 - org.apache.ibatis.binding.BindingException: Invalid
bound statement (not found): gov.hkpf.c...
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移动开发 时间:
2014-06-11 09:18:45
阅读次数:
1149
1. 查找和排序查找:顺序查找、二分查找、二叉搜索树、哈希表顺序查找:T(n) = O(n)
std::find二分查找:T(n) = O(log n) std::binary_search std::lower_bound
std::upper_bound哈希表: T(n) = O...
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其他好文 时间:
2014-06-11 07:45:31
阅读次数:
250
Given a singly linked list where elements are
sorted in ascending order, convert it to a height balanced BST.public class
Solution { /** Convert th...
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其他好文 时间:
2014-06-10 00:22:44
阅读次数:
259
The gray code is a binary numeral system where
two successive values differ in only one bit.Given a non-negative
integernrepresenting the total number...
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其他好文 时间:
2014-06-10 00:01:38
阅读次数:
392
1. 将开源项目的.xcodeproj拖入项目frameworks2. Build Phases下
Links Binary With Libraries 引入.a文件。Target Dependencies里引入开源项目文件3. Build
Setting下的 Search Paths 里 Hea...
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移动开发 时间:
2014-06-07 20:06:34
阅读次数:
287
Tomcat 启动报
The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path
提示的解决办法:...
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其他好文 时间:
2014-06-07 13:08:51
阅读次数:
309