How to get top two numbers from an array?
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Why do we use stacks?
what is traversal in linked lists?
What data structure would you mostly likely see in a non recursive implementation of a recursive algorithm?
What is array traversing?
How are elements stored in hashset?
Explain the principle of quicksort. What is its complexity?
Why would you use a linked list?
Give us a program to reverse a linked list.
What is sequential sorting?
Is null allowed in list?
What is binary search in data structure?
What is the complexity of adding an element to the heap?