Question Discussion & Solution

MCQ

How many nodes in a tree have no ancestors.

Community Discussion

No discussions yet. Be the first to start!

You must be logged in to participate in the discussion.

Similar Questions

MCQ

Can a tree stored in an array using either one of inorder or post order or pre order traversals be again reformed?

yes just traverse through the array and form the tree

No we need one more traversal to form a tree

No in case of sparse trees

None of the mentioned

Discussion

MCQ

In order traversal of binary search tree will produce ?

unsorted list

reverse of input

sorted list

none of the above

Discussion

MCQ

Consider a weight balanced tree such that, the number of nodes in the left sub tree is at least half and at most twice the number of nodes in the right sub tree. The maximum possible height (number of nodes on the path from the root to the farthest leaf) of such a tree on k nodes can be described as

log2 n

log4/3 n

log3 n

log3/2 n

Discussion

MCQ

Why to prefer red-black trees over AVL trees?

Because red-black is more rigidly balanced

AVL tree store balance factor in every node which costs space

AVL tree fails at scale

Red black is more efficient

Discussion

MCQ

What is the space complexity of the post-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)

O(1)

O(nlogd)

O(logd)

O(d)

Discussion

Banking

Engineering

General

Medical

Question Discussion & Solution

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

Report Error

Report Error

Report Error

More Data Structure Topics

Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

Banking

Engineering

General

Medical

Question Discussion & Solution

report Report Error

forum Community Discussion

auto_awesome Similar Questions

report Report Error

report Report Error

report Report Error

report Report Error

report Report Error

category More Data Structure Topics

Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

Report Error

Report Error

Report Error

More Data Structure Topics