Given an integer number N (in range 2..35), returns an array of integers 1..N arranged in a way, so that the sum of each 2 consecutive numbers is a perfect square.
Given an array that contains 16 clues returns an matrix of 4 by 4 that contains a correct skyscraper configuration.
Given a number of points in the Cartesian plane entered as an array returns how many right triangles can be formed with these points.
Given a 4 comma-separated arguments initial height, initial speed angle and time (at a given moment) of a projectile returns information about the trajectory as a function of time