● 若用n个权值构造一棵最优二叉树 (哈夫曼树), 则该二叉树的结点总数为 (59) 。
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[A] shared
[B] shown
[C] concerned
[D] suffered
[A] which
[B] where
[C] that
[D] when
What should the students write on the paper?
[ A] Their names, phone numbers, and job preference.
[B] The names and addresses of their guests.
[C] Their dormitory names, addresses, and phone numbers.