Given a list of points in the 2D xy plane, determine how many of those points can maximally exist on a line (not necessarily through the origin). So find the line that contains the most points, and return how many points are on that line.
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Given a sum, find two numbers in an array with that sum.
given an integer input stream, and more and more integers are still going in. build an algorithm to return 3 minimum integers at any point of time.
A file system search question, but using a set of predefined apis and data structures which included pre-populated files.
Given an array of character you must delete all the characters that got repeated 3 or more times consecutively and add " " in the end of the array for every deleted character Example "aaabbbcddddd"->"c "11 spaces "xxaaavbbbc" ->"xxvc " "xavvvarrrt"->"xaat " The problem must be solved in: O(1) memory O(n) time And you can't overwrite a cell in the array more than once
How do we find if a linked list has a loop..
Flatten a 2D linkedList . A node contains 3 parameters namely, data , pointer to left, pointer to down . The aim of the function is to flatten the linkedlist. Ex: 1-->2-->4 | V 3 Answer is 1-->2-->3-->4 Ex: 1 --> 2--> 3--> 4 | 5-->6-->7 | | 8 9 Answer is 1-->2->5 -> 8 -> 6->9 ->7-> 3-> 4 He asked me to make the same linkedlist flatten not to create a new LinkedList or print the elements
In place sort algorithm for removal of successive same alphabets in O(n) time complexity. i.e. bloooommbbergg should return blomberg
Given a binary tree (not a BST), print the nodes at a given level n passed as an input parameter. Here is how method definition looked like: public void printLevel(root, level)
what is the best way to find the duplicates within two intersecting linked list?
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