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Welcome to the Trees MCQs Page

Dive deep into the fascinating world of Trees with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Trees, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Trees, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Trees. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Trees. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Trees MCQs | Page 23 of 32

Q221.
Consider a sequence of numbers to have repetitions, how a cartesian tree can be constructed in such situations without violating any rules?
Discuss
Answer: (a).use any tie-breaking rule between repeated elements
Q222.
After applying the below operations on a input sequence, what happens?

i. construct a cartesian tree for input sequence

ii. put the root element of above tree in a priority queue

iii. if( priority queue is not empty) then

.search and delete minimum value in priority queue

.add that to output

.add cartesian tree children of above node to priority queue
Discuss
Answer: (b).sorts the input sequence
Discuss
Answer: (c).minimum range query and lowest common ancestors
Discuss
Answer: (a).additional value, which is a priority value to the key generated randomly
Q225.
Cartesian trees solve range minimum query problem in constant time
Discuss
Answer: (a).true
Q226.
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?
Discuss
Answer: (d).use treaps (cartesian trees)
Discuss
Answer: (a).A binary tree that stores the sizes of subtrees in nodes
Q228.
What are the applications of weight balanced tree?
Discuss
Answer: (a).dynamic sets, dictionaries, sequences, maps
Q229.
A node of the weight balanced tree has
Discuss
Answer: (a).key, left and right pointers, size
Q230.
The size value of various nodes in a weight balanced tree are
leaf – zero

internal node – size of it’s two children

is this true?
Discuss
Answer: (a).true

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