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Re:四色定理+邻接矩阵+枚举 献丑了

Posted by ry951111 at 2014-11-07 10:48:45 on Problem 1129
In Reply To:四色定理+邻接矩阵+枚举 献丑了 Posted by:jndx20111221395 at 2013-02-02 20:33:52
为什么能用四色定理做?
5
A:BCDE
B:ACDE
C:ABDE
D:ABCE
E:ABCD
0
这组应该出5才对
四色定理最多只出4~~

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