What is the minimum number of comparisons needed to find the second-largest element in a list.
Given an array of list, determine if each number in the list can be written as a sum of 2 Fibonacci numbers. 2) Pandas questions. 3 & 4) Determine how many squares (q3) and rectangle (q4) can be formed given a bunch of points on the coordinate system.
Given a string containing only the characters ‘A’ ‘B’ ‘C’ ‘D’, return the string when all adjacent “AB” / “BA” and “CD” / “DC” pairs have been removed.
Given a graph (represented as an array) where nodes have value either ‘A’ or ‘B’, find the longest path where no two adjacent nodes have the same value.