Hasp map concepts theory questions coding question : Program to check if binary tree is a BST Complexity of the module written
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Given a binary search tree and a number find the closest node to that number.
Give you an array of integers without duplication. Let you write a piece of code to return the pairs that their sum is 100.
Given a linked list, flip every pair of nodes, such that if given a-b-c-d-e, return b-a-d-c-e.
If you get an array of integers, find the only integer that is repeated for an odd number of times.
Implement a data structure like a stack but with a way to find a max at O(1) time.
What is the most appropiate DS to implement a T9 dictionary
Write an algorithm to compute the nth fibonacci number
Given two different strings, find the common characters between the two. For example if string A is "hello" and string B is "elbow" the common characters would be ['e', 'l', 'o']. Give a method that returns unique or duplicate entries.
Tell me about a time when you made a mistake and what you did to fix it.
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