This is about a scheduling app. The idea is to create a function when passed in a list of datetime start and end time [[15.00,16.00],[16.10,17.30]] like this that means I am booking on this time the times don't over lap so I should return true if the over lap I should return false.

This is about a 2d representation of a ware house consisting of a 2D array. The basic idea is if the packages will have the same id, like lets say 2 only if there is zeroes infront of it horizontally the package can be moved since the fork lifter can be only move horizontally

SQL question: Bascially there are two tables employeess and sales, And the ceo want to create a report of employees vs how many sales they have done.