COMP3411代做、代写C/ C++语言程序

日期：2024-03-14 09:57

2024/3/13 00:41 COMP3411/9814 Project 1

COMP3411/9814 Artificial

Intelligence

Term 1, 2024

Assignment 1 – Bridge Puzzle

Due: Friday 15 March, 10pm

Marks: 12% of final assessment

Specification

This project is based on a popular puzzle, variously known

as "Hashiwokakero"

,

"Hashi" or "Bridges". You will need to

write a program to solve this puzzle, and provide a brief

description of the algorithm and data structures you have

used. The input to your program will be a rectangular array

of numbers and dots, for example:

.1...6...7....4.4.2.

..4.2..2...3.8...6.2

.....2..............

5.c.7..a.a..5.6..8.5

.............2......

...5...9.a..8.b.8.4.

4.5................3

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....2..4..1.5...2...

.2.7.4...7.2..5...3.

............4..3.1.2

Each number represents an "island"

, while the dots

represent the empty space (water) between the islands.

Numbers larger than 9 are indicated by 'a' (10), 'b' (11)

or 'c' (12). The aim is to connect all the islands with a

network of bridges, satisfying these rules:

1. all bridges must run horizontally or vertically

2. bridges are not allowed to cross each other, or other

islands

3. there can be no more than three bridges connecting any

pair of islands

4. the total number of bridges connected to each island

must be equal to the number on the island

For example, after reading the 10-line input above, your

program might produce this output:

1---6EEE7====4=4=2

4-2" 2 " 3E8EEE6 2

# |2 " " " # "

5EcE7EEaEa==5"6EE8=5

" # " # #2# |

" #5===9Ea--8=bE8E4|

4=5# " # " # " |3

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#2==4 #1-5 # 2 |"

2=7=4===7=2" 5===3"

4==3-1 2

Note that single bridges are indicated by the characters '-

' or '|', pairs of bridges by '=' or '"' and triples by 'E'

or '#', depending on whether they run horizontally or

vertically. Water between bridges and islands is indicated by

space characters ' '.

In some cases, there may be many solutions, in which case

your program should only print one solution. More details

about the puzzle can be found on this Wikipedia page. Note,

however, that our version allows up to 3 bridges instead of

2; also, we do not insist that the entire graph be connected.

Tools

An executable file called bridgen is provided in the

tools directory which can be used to generate sample

data of any specified size (type bridgen -help for

details). Another executable called bridgecheck is also

provided, to help you test the validity of your solutions (see

FAQ for details).

Questions

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At the top of your code, in a block of comments, you must

provide a brief answer (one or two paragraphs) to this

Question:

Briefly describe how your program works, including any

algorithms and data structures employed, and explain

any design decisions you made along the way.

Language Options

You are free to write the code in a language of your

choosing.

If you write in C, C++, or another compiled languge, your

program will be invoked by: ./hashi

You should submit your source files (no object files) as

well as a Makefile which, when invoked with the

command make , will produce an executable called

hashi

If you write in Python, your program will be invoked by:

./hashi.py

You should submit your .py files (including

hashi.py ).

The first line of your code must specify which version of

Python you are using, e.g. #!/usr/bin/python3

If you write in Java, your program will be invoked by:

java Hashi

You should submit your .java files (no .class

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files).

The main file must be called Hashi.java

If you wish to write in some language not covered by the

above options, let us know and we will try to

accommodate you.

Regardless of the language, you are not allowed to use

dedicated constraint programming packages like

python-constraint , etc. You are expected to

implement the search method(s) yourself.

Submission

You should submit by typing

give cs3411 hashi ...

Remember to include all necessary files in your submission

(including the one with the answer to the Question).

You can submit as many times as you like – later

submissions will overwrite earlier ones. You can check that

your submission has been received by using the following

command:

3411 classrun -check

The submission deadline is Friday 15 March, 10 pm.

5% penalty will be applied to the mark for every 24 hours

late after the deadline, up to a maximum of 5 days (in

accordance with UNSW policy).

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Additional information may be found in the FAQ and will be

considered as part of the specification for the project.

Questions relating to the project can also be posted to the

Forums on WebCMS.

If you have a question that has not already been answered

on the FAQ or the Forums, you can email it to

cs3411@cse.unsw.edu.au

Assessment

Your program will be tested on a series of sample inputs of

successively increasing size and difficulty. There will be:

6 marks for functionality (automarking)

4 marks for your algorithm and implementation

2 marks for answer to the Question

You should always adhere to good coding practices and

style. In general, a program that attempts a substantial part

of the job but does that part correctly will receive more

marks than one attempting to do the entire job but with

many errors.

Groups

This assignment may be done individually, or in groups of

two students. Groups are determined by an SMS field called

pair1 . Every student has initially been assigned a unique

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pair1 which is "h" followed by their student ID

number, e.g. h1234567 .

1. If you plan to complete the assignment individually, you

don't need to do anything (but, if you do create a group

with only you as a member, that's ok too).

2. If you wish to team up with someone, you should go to

the WebCMS page and click on "Groups" in the left

hand column, then click "Create". Click on the menu for

"Group Type" and select "pair". After creating a group,

click "Edit"

, search for the other member, and click

"Add". WebCMS assigns a unique group ID to each

group, in the form of "g" followed by six digits (e.g.

g012345 ). We will periodically run a script to load

these values into SMS.

Plagiarism Policy

Your program must be entirely your own work. In addition,

soliciting another person (or an AI bot) to write code for you

– either in person or through the Internet – is never

permitted. Generally, the copying of code already available

on the Internet is also forbidden. If you find some piece of

"standard" code in a textbook, or on the Internet, which you

would like to adapt and incorporate into your own

assignment, you must email the lecturer in charge to ask if it

is permissible to do so in the particular circumstances – in

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which case the source would have to be acknowledged in

your submission, and you would need to demonstrate that

you had done a substantial amount of work for the

assignment yourself. Plagiarism detection software will be

used to compare all submissions pairwise and serious

penalties will be applied, particularly in the case of repeat

offences.

DO NOT COPY FROM OTHERS; DO NOT ALLOW

ANYONE TO SEE YOUR CODE

Please refer to the UNSW Policy on Academic Integrity and

Plagiarism if you require further clarification on this matter.

Good luck!