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#2
wmf20142020-02-12 20:05
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[1, 0, 0, 0, 1]
[1, 1, 1, 1, 0]
[0, 0, 0, 1, 1]
[1, 0, 1, 0, 0]
[1, 1, 1, 0, 1]
A ['E']
B ['A', 'C', 'D']
C ['D', 'E']
D ['A', 'C']
E ['A', 'B', 'C']
这不是连通图