Q. When it would be optimal to prefer Red-black trees over AVL trees?

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Q. Why Red-black trees are preferred over hash tables though hash tables have constant time complexity?

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Q. How can you save memory when storing color information in Red-Black tree?

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Q. When to choose Red-Black tree, AVL tree and B-trees?

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Q. After the insertion operation, is the resultant tree a splay tee?

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Q. What is inefficient with the below threaded binary tree picture?

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Q. If we implement heap as min-heap , deleting root node (value 1)from the heap. What would be the value of root node after second iteration if leaf node (value 100) is chosen to replace the root at start.

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Q. If we implement heap as maximum heap , adding a new node of value 15 to the left most node of right subtree . What value will be at leaf nodes of the right subtree of the heap.

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Q. Binary trees can have how many children?

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Q. Disadvantage of using array representation for binary trees is?

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Q. What must be the ideal size of array if the height of tree is ‘l’?

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Q. What are the children for node ‘w’ of a complete-binary tree in an array representation?

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Q. What is the parent for a node ‘w’ of a complete binary tree in an array representation when w is not 0?

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Q. If the tree is not a complete binary tree then what changes can be made for easy access of children of a node in the array ?

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Q. Consider a situation of writing a binary tree into a file with memory storage efficiency in mind, is array representation of tree is good?

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Q. Why is heap implemented using array representations than tree(linked list) representations though both tree representations and heaps have same complexities?

for binary heap

-insert: O(log n)

-delete min: O(log n)

for a tree

-insert: O(log n)

-delete: O(log n)

Then why go with array representation when both are having same values ?

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Q. Can a tree stored in an array using either one of inorder or post order or pre order traversals be again reformed?

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Q. Advantages of linked list representation of binary trees over arrays?

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Q. Disadvantages of linked list representation of binary trees over arrays?

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Q. How to travel a tree in linkedlist representation?

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