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MCQ

A full binary tree with 2n+1 nodes contain

n leaf nodes

n non-leaf nodes

n-1 leaf nodes

n-1 non-leaf nodes

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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

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MCQ

The size value of various nodes in a weight balanced tree are leaf

flase

May be

Can't say

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MCQ

What is a splay operation?

moving parent node to down of child

moving a node to root

moving root to leaf

removing leaf node

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MCQ

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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MCQ

What is the time complexity to delete an element from the direct address table?

O(n)

O(logn)

O(nlogn)

O(1)

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