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MCQ

A node of the weight balanced tree has

key, left and right pointers, size

key, value

key, size

key

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MCQ

When is it appropriate to use direct addressing?

When the array is comparatively large

When the universe U of keys is reasonably small

When the universe U of keys is reasonably large

When the array is comparatively small

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MCQ

All possible spanning trees of graph G

have same number of edges and vertices.

have same number of edges and but not vertices.

have same number of vertices but not edges.

depends upon algorithm being used.

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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

Level of any node of a tree is

Height of its left subtree minus height of its right subtree

Height of its right subtree minus height of its left subtree

Its distance from the root

None of these

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MCQ

State true or false.i) An empty tree is also a binary tree.ii) In strictly binary tree, the out-degree of every node is either o or 2.

True, False

False, True

True, True

False, False

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Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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