Given a TV remote, write a script that would give directions to input some letters. Starting from the upper left-hand corner. If the buttons were in 3 columns, and you wanted to type "feed", you would want the output of the program to say "right, right, down, PRESS, left, PRESS, PRESS, left, PRESS"
Implement string rotateString(string input, int amt)
Write a function that takes the ordinal number of a column in a spreadsheet and returns the label of that column: i.e. 1 -> A 2 -> B, 26 -> Z, 27->AA
you have an array of stock prices. i-th element in that array represents the stock price of that day. find the buy and sell dates to maximize profit.
Using Collabedit, write a program to find the index of the first non-repeated character in a java string.
Suppose you have a matrix of numbers. How can you easily compute the sum of any rectangle (i.e. a range [row_start, row_end, col_start, col_end]) of those numbers? How would you code this?
Find Kth smallest element in a BST.
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.
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.
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