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exact cover

精确覆盖问题

声明优先队列priority_queueopen 4.2.3用经典的dancing links实现数独：（1）首先介绍一下精确覆盖问题（exact cover）：给定一个01矩阵, 现在要选择一些行，使得每一列有且仅有一个1.

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精确覆盖

Dancing Link算法(以下简称DLX)是解NPC难题中的精确覆盖(Exact Cover)的高效算法，一个问题，如果能转化成Exact Cover模型，则都能用DLX解。数独的解法也不列外。

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恰好覆盖

... 13、分团覆盖(LIQUE NUMBER) 14、恰好覆盖(EXACT COVER) 16、斯坦纳树(STEINER TREE) ...

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短语

Exact Cover Problem 精确覆盖问题 ; 确切覆盖问题

abstract: In mathematics, given a collection \mathcal{S} of subsets of a set X, an exact cover is a subcollection \mathcal{S}^* of \mathcal{S} such that each element in X is contained in exactly one subset in \mathcal{S}^*.

以上来源于: WordNet

In this paper, Minimum Exact Cover Problem (MECP) for key distribution is presented, and a heuristic solution is testified.

本文提出组密钥分发的最小准确覆盖问题，并证明一种启发式的解。

youdao
But step inside their house after 4 p.m. most weekdays and you'll want to cover your ears because of the noise -- the screaming, to be exact.

但是如果你在平日的下午4点走进这个家，你会把耳朵捂住---那噪音，准确点儿说是刺耳的尖叫，真让人受不了。

youdao
Then we’ll set the top to another color from our scheme and toss in some text using the same exact formatting that we used on the cover.

接下来从配色方案中选择另一种颜色，将其置于顶层，然后按照首页的格式输入文本。

youdao

更多双语例句

The copy editor took 3 days to read and return the book, the graphic designer had the exact cover layout done in 5 days, and the formatter turned his Word doc into Kindle .

FORBES: Could You Write A Book? Should You? (Read This First)
The manuscripts about natural and exact sciences cover a wide variety of subjects like mathematics especially calculations, which were used for architecture.

UNESCO: CULTURE
Mr Roberts said he did not want to disclose the exact sum of compensation but said it was "enough to cover the injuries and any long term problems I may have".

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