What is the special property of red-black trees and what roo...

MCQ

What is the special property of red-black trees and what root should always be?

a color which is either red or black and root should always be black color only

height of the tree

pointer to next node

a color which is either green or black

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What is missing in this logic of finding a path in the tree for a given sum (i.e checking whether there will be a path from roots to leaf nodes with given sum)?

checkSum(struct bin-treenode *root , int sum) :
  if(root==null)
    return sum as 0
  else :
     leftover_sum=sum-root_node-->value
     //missing

code for having recursive calls to either only left tree or right trees or to both subtrees depending on their existence

code for having recursive calls to either only left tree or right trees

code for having recursive calls to either only left tree

code for having recursive calls to either only right trees

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State true or false.i) The degree of root node is always zero.ii) Nodes that are not root and not leaf are called as internal nodes.

True, True

True, False

False, True

False, False

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A __________is a non-linear data structure representing the hierarchical structure of one or more elements known as nodes.

Tree

Child nodes

Leaf nodes

None of the above

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What are the applications of weight balanced tree?

dynamic sets, dictionaries, sequences, maps

heaps

sorting

storing strings

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When we have red-black trees and AVL trees that can perform most of operations in logarithmic times, then what is the need for splay trees?

no there is no special usage

In real time it is estimated that 80% access is only to 20% data, hence most used ones must be easily available

redblack and avl are not upto mark

they are just another type of self balancing binary search trees

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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