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MCQ

What are the children for node

2w and 2w+1

2+w and 2-w

w+1/2 and w/2

w-1/2 and w+1/2

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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

What is wrong with below code for inorder traversal of inorder threaded binary tree:

inordertraversal(threadedtreenode root):
   threadedtreenode q = inorderpredecessor(root)
   while(q!=root):
   q=inorderpredecessor(q)
   print q.data

inordersuccessor instead of inorderpredecessor must be done

code is correct

it is code for post order

it is code for pre order

Discussion

MCQ

What is the time complexity for finding the height of the binary tree?

h = O(loglogn)

h = O(nlogn)

h = O(n)

h = O(log n)

Discussion

MCQ

A binary tree can be converted in to its mirror image by traversing it in ..............

In-order

Pre-order

Post-order

Any order

Discussion

MCQ

What is inefficient with the below threaded binary tree picture?

it has dangling pointers

nothing inefficient

incorrect threaded tree

space is being used more

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Hash based structures

Graphs

Mixed

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