We own a courier facility which segregate the courier for different cities into different racks that can hold up to 'n' packages at any given point in time. Each level in the rack has 2 slots. The slots is given a number first to all in one column starting at 1 increasing with increasing level from the entry point in steps of one till n/2 and then to the second column as n/2+1 at the of the topmost leveldecreaseing by 1 at each lower level. We want to create an automated ticketing system that allows my facility man to use my alloted slot without any error.
Eg: if I have a rake with 10 slots, the arrangement will be like:
| 5 | 6 |
|---|---|
| 4 | 7 |
| 3 | 8 |
| 2 | 9 |
| 1 | 10 |
When a parcel enters my racks, we want to have a ticket issued to the parcel.
The ticket issuing process includes us documenting the parcel code and
the weight(in gm) of the parcel and allocating an available slot to the parcel before actually handing over a ticket to the facility man
(we assume that our facility men are nice enough to always park in the slots allocated to them). The Parcel should be allocated a slot which is nearest to the entry. At the exit the customer returns the ticket which
then marks the slot they were using as being available.
Due to government regulation, the system should provide me with the ability to find out:
a) Parcel codes of all parcels of a particular weight.
b) Slot number in which a parcel with a given code is parked.
c) Slot numbers of all slots where aparcel of a particular weightis parked.
We interact with the system via a simple set of commands which produce a specific output. Please take a look at the example below, which includes
all the commands you need to support - they're self explanatory. The system
should allow input in two ways. Just to clarify, the same codebase should support both modes of input - we don't want two distinct submissions.
-
It should provide us with an interactive command prompt based shell where commands can be typed in
-
It should accept a filename as a parameter at the command prompt and read the commands from that file
*Example: File*
To run the program:
$ my_program file_inputs.txt > output.txt
create_parcel_slot_lot 6
park 1234 400 park 9999 400 park 0001 600 park 7777 100 park 2701 700 park 3141 600
leave 5 for delivery status
park 333 400
park 9999 400 parcel_code_for_parcels_with_weight400 slot_numbers_for_parcels_with_weight400 slot_number_for_registration_number3141 slot_number_for_registration_number1111
Created a parcel slot with 6 slots
Allocated slot number: 1
Allocated slot number: 6
Allocated slot number: 2
Allocated slot number: 5
Allocated slot number: 3
Allocated slot number: 4
Slot number 5 is free
Slot No. Registration No. Weight
| 1 1234 | 400 |
|---|---|
| 6 9999 | 400 |
| 6 0001 | 600 |
| 3 2701 | 700 |
| 4 3141 | 600 |
Allocated slot number: 5
Sorry, parcel slot is full
1234, 9999, 333
1, 6, 5
4
Not found