Generate a new array from an array of numbers. Start from the beginning. Put the number of some number first, and then that number. For example, from array 1, 1, 2, 3, 3, 1 You should get 2, 1, 1, 2, 2, 3, 1, 1 Write a program to solve this problem.
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Write a function that takes 2 arguments: a binary tree and an integer n, it should return the n-th element in the inorder traversal of the binary tree.
Nothing unexpected, I solved all the problems but I think I was too slow on the first one, which goes like: Given an array of numbers, they are arranged so that the a[0] is in the 1st bucket, a[1]a[2] are in the 2nd bucket, a[3]a[4]a[5] is in the 3rd bucket and so on. The question is then: given a number, you need to return if it is in any bucket or not.
Given a list of 4 billion integers, find an integer not in the list using 4MB of memory.
Given a string with parenthesis like "()()(()(()()", check to see if there are matching pairs. If there are matching pairs, return true, else return false. For example, ()()() returns true, ()()()) returns false.
Given an array of arrays which contain characters, find all the arrays with at least one common character and return them as pairs.
Given a integer , return corresponding ASCII char representation without using language building in feature. ex. input interger 1234, return "1234" in string or characters
Find the 20 longest strings in a text file.
implement a O(1) min function for Stack
How do you approach situations where multiple influential employees have different (and possibly hidden) agendas.
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