Explain the most efficient method to reverse a linked list?
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What is harvesting in agriculture?
an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].
What do you mean by the term “percolate down”?
Explain implementation of deletion from a binary tree.
What are splay trees?
Differentiate among cycle, path, and circuit?
Can hashmap store null values?
What is the advantage of circular linked list?
What is the difference between data type and data structure?
What are control structures?
State the merit of linked representation of binary trees?
Why is bubble sort stable?