Revenge of Segment Tree Problem Description In computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows ...
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其他好文 时间:
2017-05-21 20:33:31
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255
Unsupervised learning refers to data science approaches that involve learning without a prior knowledge about the classification of sample data. In Wi ...
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其他好文 时间:
2017-05-19 11:14:01
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299
From wikipedia https://en.wikipedia.org/wiki/CAP_theorem In theoretical computer science, the CAP theorem, also named Brewer's theorem after computer ...
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其他好文 时间:
2017-05-17 20:54:27
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328
本文翻译自文章: Pandas Cheat Sheet - Python for Data Science ,同时添加了部分注解。 对于数据科学家,无论是数据分析还是数据挖掘来说,Pandas是一个非常重要的Python包。它不仅提供了很多方法,使得数据处理非常简单,同时在数据处理速度上也做了很多优 ...
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其他好文 时间:
2017-05-16 14:37:27
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152
基本定义 一种寻路算法,特点是:启发式的,效率高,基本思路比较简单。 用途 寻路。在指定的地图上,考虑到地图上的移动代价,找到最优的路径。 核心概念 开表,闭表,估值函数。 开表 开表,记录了当前需要处理的地图上的点。 1什么点会加入开表? 1.1 当一个点是起始点时,可以加入; 1.2 当一个点是 ...
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编程语言 时间:
2017-05-10 21:21:33
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287
Andy the smart computer science student was attending an algorithms class when the professor asked the students a simple question, "Can you propose an ...
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其他好文 时间:
2017-05-10 14:55:51
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231
How to Encourage Your Child's Interest in Science and Tech This week’s Ask-A-Data-Scientist column is from a parent on how to encourage their child in ...
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其他好文 时间:
2017-05-09 11:12:28
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212
VF 时间限制:1000 ms | 内存限制:65535 KB 难度:2 描写叙述 Vasya is the beginning mathematician. He decided to make an important contribution to the science and to bec ...
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其他好文 时间:
2017-05-08 20:22:46
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224
arXiv is an e-print service in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance and statistics. There' ...
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其他好文 时间:
2017-05-07 16:43:26
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239