You have been given an matrix of characters 5*5 which contains 24 elements a..y the matrix will look something like a b c d e f g h i j k l m n o p q r s t u v w x y You have been given alpha (starting character) and beta (Ending character) as two characters. You have to find all shortest paths between alpha and beta with a restriction that you are allowed to move vertical or horizontal.
(1) find the most frequent words in a sentence. (2) implementation of a linkedlist class.
How would you implement an Autocomplete feature and what data structures would you use to do so?
Implement function to find longest path in a tree.
All are listed above already.
Find the most efficient transportation routes in a given matrix
Number of islands in a 2d array
Q. write code to detect if an array contains any duplicates?
Given a 3x3 keypad with ABC on number 2, DEF on number 3 and so on. Given a set of numbers, output all the english words that can be obtained from it. Assume an in-built function exists to check if the given word is an english word or not. Eg: inuput: 228, output: bat, cat, act and so on.
Second Interview: Write a function that takes a binary search tree and returns an array with the in-order permutation of the tree.
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