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Udacity Intro to Algorithms? - part 1.

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Published: 04 Jul 2018 › Updated: 04 Jul 2018Udacity Intro to Algorithms? - part 1.

Udacity Intro to Algorithms? - part 1.

Magic Trick

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在這兩個圖形中,他們之間的連接是在電腦與離散數學調用圖中的作用。

擷取.PNG


在圖中我們可以討論一個叫做歐拉路徑的東西,而我們行走的路線沿著邊緣從節點移動到節點,在這種情況下,有一條歐拉路徑從A開始以D結束,而四個節點均至少有兩條線。

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上圖的節點度數為 2, 4, 2, 4, 2而此圖仍然具有歐拉路徑,但是這條道路有些特別的東西,因路徑是在同一節點上開始與結束的,這是一種特殊的歐拉路徑,叫做Eulerian Tour

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上圖的所有節點均有基數條路徑,而此圖不管你如何走都無法一筆畫將其走完全部節點。

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