Use C++:

[NOTE: Please make comments when you code ]

The goal of this project is to design and develop C++ code and algorithms to control a bank of elevators, which services many floors and transports people efficiently that is, as per the given specifications. A second goal is to effectively employ object oriented design, through appropriate use of classes, data structures and Standard Template Libraries (STLs) 1.1 Problem Specifications The elevator bank has ma elevators and services n floors. As an example, you may choose 3 and n 10 Each elevator can stop at every floor The direction of an elevator has three states up, down and standing. Each elevator can carry up to a max of Nmar persons The program loops through discrete time steps t 1.2 ...Tstop, where Tstop is an input parameter. At each time step, either 0, 1 or 2 persons arrive at a floor. This information can be read from an input data file, as described in 1.3 An elevator takes k time step to move up or down by k floors, if it doesn't stop. For example to move from floor 4 to floor 5 requires one time step. And to move from floor 7 to floor 3 requires 4 time steps. When an elevator stops at a floor, for either passenger pick up or drop off, it does so for one time step. When a person arrives on a floor, they are assigned the "nearest elevator. Here nearest is defined in the number of time steps. For example, let us say a person arrives on floor 5, and wants to go up. Elevator E1 on floor 2, moving in the up direction, with no stops, is 3 time steps away. Elevator E 2 on floor 6, moving in the dowm direction and headed for floor 3 is 6 time steps away. Therefore, the person is assigned elevator E1. Each arriving person has an arrival floor, destination floor and the assigned elevator as its data members. When a person is assigned an elevator, their arrival floor and destination floor go in the queue or the list of the elevator stops