Re: [理工] 圖論
※ 引述《Bearcome (超級喜歡哈孝遠)》之銘言:
: http://miupix.cc/pm-VKFHXW
: 8*8西洋棋盤的一題
: 不知道下面答案表格怎麼來的
: 請大家幫個忙
Draw a graph with 64 vertices representing the squares of a chessboard.
Connect two vertices with an edge if you can move legally between the
corresponding squares with a single move of a knight.
[The moves of a knight are L-shaped, two squares vertically (or horizontally)
followed by one square horizontally (respectively, vertically).]
(a)This graph is bipartite.
(b)4 vertices of degree 2
(c)4 vertices of degree 3
(d)20 vertices of degree 6
(e)16 vertices of degree 8
Ans:a b e
在黃子嘉的離散課本上有看到類似的題目
答案上有個8*8表格
2 3 4 4 4 4 3 2
3 4 6 6 6 6 4 3
4 6 8 8 8 8 6 4
4 6 8 8 8 8 6 4
4 6 8 8 8 8 6 4
4 6 8 8 8 8 6 4
3 4 6 6 6 6 4 3
2 3 4 4 4 4 3 2
想了很久還是不太懂這個表格的意思
謝謝
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※ 編輯: Bearcome 來自: 123.193.186.95 (10/12 11:28)
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