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MCQ

What maximum difference in heights between the leafs of a AVL tree is possible?

log(n) where n is the number of nodes

n where n is the number of nodes

0 or 1

atmost 1

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MCQ

What is the below pseudo code trying to do, where pt is a node pointer and root pointer.

redblack(Node root, Node pt) :
    if (root == NULL)
       return pt
 
    if (pt.data < root.data)
    {
        root.left  =   redblack(root.left, pt);
        root.left.parent = root
    }
    else if (pt.data > root.data)
    {
        root.right = redblackt(root.right, pt)
        root.right.parent = root
    }
   return root

insert a new node

delete a node

search a node

count the number of nodes

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MCQ

Cartesian trees are most suitable for?

searching

finding nth element

minimum range query and lowest common ancestors

self balancing a tree

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MCQ

When representing any algebraic expression E which uses only binary operations in a 2-tree,

the variable in E will appear as external nodes and operations in internal nodes

the operations in E will appear as external nodes and variables in internal nodes

the variables and operations in E will appear only in internal nodes

the variables and operations in E will appear only in external nodes

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MCQ

The degree of a node is equal to the number of its__________.

Child nodes

Parent nodes

Sibling nodes

Tree nodes

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MCQ

Trees are often used in implementing _________ and hence it is considered as prime application of trees.

Chess

Players

Games

None of the above

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Banking

Engineering

General

Medical

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Medical

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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

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More Data Structure Topics