[理工] [資結]-postorder和preorder
preorder:9,8,6,1,4,7,5,3,2
postorder:1,4,6,7,8,3,2,5,9
(a)Draw binary tree
(b)Is tree unique? why?
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03/05 18:03, , 2F
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03/05 18:57, 3F
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03/05 19:51, , 4F
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03/05 20:18, , 5F
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03/05 20:19, 6F
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