How do you do a heap sort?
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What is the need for path compression?
What is declaring array?
Write an algorithm for inserting and deleting an element from doubly linked list?
Have you ever used HashTable and Directory?
Will hashmap allow null keys?
Why do we use arrays?
Can we put null value in hashmap?
Write an algorithm to show the postfix expression with the input given as : a b + c d +*f ? .
Write the importance of hashing?
What is difference between tree and forest?
Explain the difference between a list and array.
What are scalar values?