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MCQ

In order traversal of binary search tree will produce ?

unsorted list

reverse of input

sorted list

none of the above

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MCQ

In which traversal, the root node is visited after the traversal of its left subtree and before the traversal of its right subtree?

Pre-order traversal

In-order traversal

Post-order traversal

Level-order traversal

Discussion

MCQ

What is the search complexity in direct addressing?

O(n)

O(logn)

O(nlogn)

O(1)

Discussion

MCQ

Consider below sequences:

array=60 90 10 100 40 150 90

reverse 2 to 3

array=60 10 90 100 40 150 90

reverse 3 to 6

array= 60 100 150 40 100 90 90

now printout from 1 to 6 :-- 60 100 150 40 100 90

How to achieve the above operation efficiently?

use linked lists

use avl trees

use red-black trees

use treaps (cartesian trees)

Discussion

MCQ

What would be the cost value for any answering node of a sub tree with root

Maximum

Minimum

Optimal

Average

Discussion

MCQ

Consider a sequence of numbers to have repetitions, how a cartesian tree can be constructed in such situations without violating any rules?

use any tie-breaking rule between repeated elements

cartesian tree is impossible when repetitions are present

construct a max heap in such cases

construct a min heap in such cases

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Hash based structures

Graphs

Mixed

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