【标签】离散化，数据结构，分治，图论
【题意】
You are given a tree with N nodes.
The tree nodes are numbered from 1 to N.
Each node has an integer weight.
We will ask you to perfrom the following operation:
u v :...
分类：
其他好文 时间：
2015-04-08 18:06:15
阅读次数：
184
Is it reasonable to expect mere mortals to have mastery over every facet of the development stack? Probably not, but Facebook can ask for it. I was told at OSCON by a Facebook employee that they on...
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其他好文 时间：
2015-04-08 13:21:59
阅读次数：
192
??
问题描述：
Implement
atoi to convert a string to an integer.
Hint: Carefullyconsider all possible input
cases. If you want a challenge, please do not seebelow and ask yourself what are the p...
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其他好文 时间：
2015-04-07 17:41:26
阅读次数：
133
