You are given the head node of a binary tree. Find the height of the tree.
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You want to keep the largest 1000 integer numbers from incoming pockets containing integers. Please write a program on how to do it.
Write a function that takes an integer and counts the number of bits.
Remove the nth from last element in a singularly linked list in linear time.
Coding question - given a binary tree, write code to count the sum off all siblings.
What methods would you use to retain employees within the company?
given a dictionary of words sorted according to a certain order, write a function to out put this order. e.g. input {abc, fkq, bct} output:{a, f, b, k, c, q, t}
How to print a link list reversely
Find Common elements from two same sized Integer Arrays(Unsorted) in O(n) without sorting either of them.
Standard OOPS concepts like diff between interface and abstract class.
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