What is the purpose of tochararray ()?
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Define depth and height of a node?
How can you insert a node in a random location of the linked list?
How can you insert a node to the beginning of a singly linked list?
Is hashtable fail fast?
How does hashset maintain order?
On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.
What is a string or array type?
Mention a few applications of linked lists?
Complete structure of hashmap, very detail description, along with the basic coding of the hashmap internal implementation.
What is time complexity of binary search?
Parenthesis are never needed in prefix or postfix expressions. Why?
Is bubble sort faster than selection sort?