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Software-Engineering
October 13, 2023
Red-Black-Tree
October 13, 2023
Software-Engineering
October 13, 2023
Red-Black-Tree
October 13, 2023

NIC-NIELIT Scientist-B 2020

Question 49
Binary search tree contains the values 1, 2, 3, 4, 5, 6, 7, 8. The tree is traversed in pre-order and the values are printed out. Which of the following sequences is a valid output?
A
53124786
B
53126487
C
53241678
D
53124768
Question 49 Explanation: 
Preorder traversal means (Root, left, right)
Option D:
Let draw binary search tree for the given sequence,

After traversing through this tree we will get the same sequence.
Correct Answer: D
Question 49 Explanation: 
Preorder traversal means (Root, left, right)
Option D:
Let draw binary search tree for the given sequence,

After traversing through this tree we will get the same sequence.

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