Question Discussion & Solution

MCQ

Why we need to a binary tree which is height balanced?

to avoid formation of skew trees

to save memory

to attain faster memory access

to simplify storing

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MCQ

Binary trees can have how many children?

any number of children

0 or 1 or 2

0 or 1

Discussion

MCQ

Which of the following is not a limitation of binary search algorithm?

must use a sorted array

requirement of sorted array is expensive when a lot of insertion and deletions are needed

there must be a mechanism to access middle element directly

binary search algorithm is not efficient when the data elements are more than 1000

Discussion

MCQ

The linked representation of a binary tree is implemented by using a linked list having an_________.

Info part

Two pointers- left and right

Both (a) and (b)

One pointer

Discussion

MCQ

What are the conditions for an optimal binary search tree and what is its advantage?

The tree should not be modified and you should know how often the keys are accessed, it improves the lookup cost

You should know the frequency of access of the keys, improves the lookup time

The tree can be modified and you should know the number of elements in the tree before hand, it improves the deletion time

None of the mentioned

Discussion

MCQ

If all c(i, j )

O(n log n)

O(n^3)

O(n^2)

O(log n)

O(n^4).

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Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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Community Discussion

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