解不出來的數獨...嗚嗚 - 數獨
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By Dinah
at 2009-06-28T15:27
at 2009-06-28T15:27
Table of Contents
※ 引述《EIORU ()》之銘言:
(恕刪)
: ABC DEF GHI
: ┌───┬───┬───┐
: │712│ │945│1
: │869│C 4│31B│2
: │354│19B│C86│3
: ├───┼───┼───┤
: │578│ │4 │4
: │931│ 4A│65A│5
: │426│ │ 38│6
: ├───┼───┼───┤
: │195│426│873│7
: │243│7 │56 │8
: │687│ │ 4│9
: └───┴───┴───┘
: 7在第五行只能放在A
這沒問題
: B=(2,7)
: 因此B其中之一為2
這裏有點奇怪。兩個B應該是同一數字:不是均為2,就是均為7。
但因A其一為7,B不可均為7,故可知兩個B都是2。再來就很好解了。
: C的位置不能為2
: 之後都是唯一解
--
(恕刪)
: ABC DEF GHI
: ┌───┬───┬───┐
: │712│ │945│1
: │869│C 4│31B│2
: │354│19B│C86│3
: ├───┼───┼───┤
: │578│ │4 │4
: │931│ 4A│65A│5
: │426│ │ 38│6
: ├───┼───┼───┤
: │195│426│873│7
: │243│7 │56 │8
: │687│ │ 4│9
: └───┴───┴───┘
: 7在第五行只能放在A
這沒問題
: B=(2,7)
: 因此B其中之一為2
這裏有點奇怪。兩個B應該是同一數字:不是均為2,就是均為7。
但因A其一為7,B不可均為7,故可知兩個B都是2。再來就很好解了。
: C的位置不能為2
: 之後都是唯一解
--
Tags:
數獨
All Comments
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By James
at 2009-07-02T10:21
at 2009-07-02T10:21
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By Quintina
at 2009-07-03T22:59
at 2009-07-03T22:59
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By Tristan Cohan
at 2009-07-06T00:07
at 2009-07-06T00:07
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By Genevieve
at 2009-07-08T15:36
at 2009-07-08T15:36
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By James
at 2009-07-13T09:25
at 2009-07-13T09:25
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