【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
top命令 是Linux下常用的性能 分析工具 ，能够实时显示系统
中各个进程的资源占用状况，类似于Windows的任务管理 器。下面详细介绍它的使用方法。 top - 02:53:32 up 16 days, 6:34, 17
users, load average: 0.24, 0.21, 0....
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系统相关 时间：
2014-06-13 13:27:01
阅读次数：
446
题目
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 t...
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其他好文 时间：
2014-06-07 15:31:32
阅读次数：
179
【题目】
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 = 22,
5
/ ...
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其他好文 时间：
2014-06-07 13:57:37
阅读次数：
210
离散化+暴力
Consecutive Blocks
Time Limit: 2 Seconds Memory Limit: 65536 KB
There are N (1 ≤ N ≤ 105) colored blocks (numbered 1 to N from left to right) which are lined up in a row. An...
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其他好文 时间：
2014-06-07 13:08:07
阅读次数：
193
Another great feature of comfort jestmankiet.
This ensures that they are secured in the package. The bag can be rolled up,
without the need for roll c...
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其他好文 时间：
2014-06-06 09:59:04
阅读次数：
196
运行bin/jmeter.bat后，先来了解几个术语：
1、线程组：测试里每个任务都要线程去处理，所有我们后来的任务必须在线程组下面创建。可以在“测试计划->添加->线程组”来建立它，然后在线程组面板里有几个输入栏：线程数、Ramp-Up
Period(in seconds)、循环次数，其中Ram....
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其他好文 时间：
2014-06-05 19:21:13
阅读次数：
330
题目链接 You are given an n x n 2D matrix representing
an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do
this in-place? ...
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其他好文 时间：
2014-06-05 16:56:29
阅读次数：
228
Given an array of integers, find two numbers
such that they add up to a specific target number.The function twoSum should
return indices of the two nu...
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其他好文 时间：
2014-06-05 14:15:07
阅读次数：
221
Follow up for problem "Populating Next Right
Pointers in Each Node".What if the given tree could be any binary tree? Would
your previous solution stil...
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其他好文 时间：
2014-06-05 13:26:37
阅读次数：
335
