Insert 28, 23, 54, 61, 98, 37 into an initially empty AVL tree first. Then immediately insert one of

2-36
Insert 28, 23, 54, 61, 98, 37 into an initially empty AVL tree first. Then immediately insert one of the following keys. Which one will cause an RL rotation?
(2分)
A.
10
B.
30
C.
60
D.
70
答案：d

2-37
Insert 28, 23, 54, 61, 98, 37 into an initially empty AVL tree first. Then immediately insert one of the following keys. Which one will cause an RL rotation?
(2分)
A.
10
B.
50
C.
80
D.
100
答案：c

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