Is file a data structure?
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Two linked lists are given, find out the sum of them without altering the linked list?
Will it create any problem if we add elements with key as user defined object into the treemap?
Which is better hashset or treeset?
When will you sort an array of pointers to list elements, rather than sorting the elements themselves?
Given M x N matrix with sorted elements row wise and column wise, find elements?
Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?
What are the difference between arraylist and linkedlist from the perspective of sorting?
In what areas do data structures applied?
What is peek in stack?
Where is data structure used?
What is the height of a binary tree?
How to create an Array?