Data Structures | Binary Search Trees | Question 12
Consider the following Binary Search Tree
If we randomly search one of the keys present in above BST, what would be the expected number of comparisons?
(A)
2.75
(B)
2.25
(C)
2.57
(D)
3.25
Answer: (C)
Explanation:
Expected number of comparisons = (1*1 + 2*2 + 3*3 + 4*1)/7 = 18/7 = 2.57
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Last Updated :
28 Jun, 2021
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