urgent Need help to figure out this code problem

Emmet Manning 99 · 03-04-2014 2:08pm #1

Any coders/mathmaticians out there that could help me with this code problem? If someone could write a solution in python that would be great.:D
For sure, you have heard about the love that pirates have for gold. Dwarven pirates are even more avaricious. There are a lot of legends and fairy-tales that describe the passion of these small creatures for this metal.
Let's imagine the situation where three dwarves have found a goblin's chest with N gold coins and have to divide them. Due to ancient rules governing the allocation of loot to pirates in order of seniority, the oldest dwarf should get one coin more than the middle dwarf, and the middle dwarf should get one coin more than the youngest dwarf.
Help the dwarves to divide the coins in this way, or tell them that this is impossible.
Input

You are given integer N (1 ≤ N ≤ 1000).

Output
If it is impossible to divide the coins in the way that dwarves want, print -1 (minus one). Otherwise, print the numbers of coins which the oldest, the middle and the youngest dwarfs get (in this order). Separate the numbers with spaces.

Sample test(s)
Input
3

Output
2 1 0

TrueDub · 03-04-2014 2:14pm

Well, if it's urgent...

What have you tried so far? Nobody will do this for you, but people might help you along the way, assuming you've put the effort in upfront.

Emmet Manning 99 · 03-04-2014 2:17pm

o = 0
m = 0
y = 0
x = 0
str_n = input(" Enter the number of coins N in the chest ")
num_n = int(str_n)
x = num_n % 3
num_n = num_n - 3
num_n = num_n / 3
y = num_n
m = num_n + 1
o = num_n + 2

if x > 0:
print "-1"
input("Press Enter to esc")

else:
print (str(o) + " " + str(m) + " " + str(y))
input("Press Enter to esc")

Tried that code but it won't work!

TrueDub · 03-04-2014 2:19pm

Emmet Manning 99 wrote: »

Tried that code but it won't work!

Doesn't work how? Does it throw an error, or not do the calculation correctly?

Analysing why it doesn't work will lead you to the fix for that issue.

Emmet Manning 99 · 03-04-2014 2:23pm

Says this when i enter in the code
Error:Form elements must not have name or id of "submit"

brian.gill98 · 03-04-2014 2:25pm

you should google it!

TrueDub · 03-04-2014 2:25pm

Emmet Manning 99 wrote: »

Says this when i enter in the code
Error:Form elements must not have name or id of "submit"

So there's your problem - an element on your form (presumably HTML?) has an invalid name or id - submit is obviously a reserved word.

Look at your HTML and change the offending element.

Emmet Manning 99 · 03-04-2014 2:26pm

Very funny gill

Emmet Manning 99 · 03-04-2014 2:27pm

The code is not written in HTML its written it python

TrueDub · 03-04-2014 2:30pm

How do you execute your code?

TouchingVirus · 03-04-2014 2:30pm

Post the full python code - wrap it in [noparse]

...{code here}...

[/noparse] tags to make it easier to read. And tell us how you run your application, because from what I can tell that's not a python error.

Emmet Manning 99 · 03-04-2014 2:34pm

{o = 0
 m = 0
 y = 0
 x = 0
 str_n = input(" Enter the number of coins N in the chest ")
 num_n = int(str_n)
 x = num_n % 3
 num_n = num_n - 3
 num_n = num_n / 3
 y = num_n
 m = num_n + 1
 o = num_n + 2
 
if x > 0:
 print "-1"
 input("Press Enter to esc")
 
else:
 print (str(o) + " " + str(m) + " " + str(y))
 input("Press Enter to esc")}

TouchingVirus · 03-04-2014 2:39pm

rogifish wrote: »

..

:rolleyes:

Emmet, that code's working grand apart from a small error following execution.

[touchingvirus@virussys ~]python test.py 
 Enter the number of coins N in the chest 999
334 333 332
Press Enter to esc
Traceback (most recent call last):
  File "test.py", line 19, in <module>
    input("Press Enter to esc")
  File "<string>", line 0
    
    ^
SyntaxError: unexpected EOF while parsing

How are you trying to run the code?

Emmet Manning 99 · 03-04-2014 2:48pm

TouchingVirus wrote: »
:rolleyes:

Emmet, that code's working grand apart from a small error following execution.
[touchingvirus@virussys ~]python test.py 
 Enter the number of coins N in the chest 999
334 333 332
Press Enter to esc
Traceback (most recent call last):
  File "test.py", line 19, in <module>
    input("Press Enter to esc")
  File "<string>", line 0
 
    ^
SyntaxError: unexpected EOF while parsing
How are you trying to run the code?

Trying to get it to work for a school project on a webpage

TouchingVirus · 03-04-2014 2:55pm

Emmet Manning 99 wrote: »

Trying to get it to work for a school project on a webpage

So you are using HTML then. That error you have is because in your HTML page you have an element somewhere with id="submit" which isn't permitted. Change that ID to something else. It's not a python error.

To compound your problems you appear to have wrote a command line python application, not a web application. There are key differences. For example your app reads input from the "input()" function, which is the keyboard or some other form of input. But a web form sends the number to the python script when you press submit in a thing called a POST variable. See this StackOverflow answer for a simply guide on how to get POST variables sent to a python script - http://stackoverflow.com/questions/464040/how-are-post-and-get-variables-handled-in-python

Emmet Manning 99 · 03-04-2014 3:02pm

here is the html on the page.

        <div class="container">

            <div class="row super-header">
    <div class="col-xs-4">
        <a href="http://www.google.com" target="_blank"><img src="/static/images/logo-google.png"></a>
    </div>
    <div class="col-xs-8">
        <div class="pull-right">
            <strong>
            
                 |
                
                    <a href="/student-dashboard">Dashboard</a> |
                
                <a href="/logout">Sign Out</a>
            
            </strong>
        </div>
    </div>
</div>

            <div class="row main-nav">
                
                    <nav class="navbar navbar-inverse">
    <div class="navbar-header">
        <button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#main-menu">
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
        </button>
    </div>
    <div id="main-menu" class="collapse navbar-collapse">
        <ul class="nav navbar-nav">
			<li><a href="/">Home</a>
			<li><a href="/about">About</a></li>
			<li><a href="/announcements">Announcements</a></li>
			<li><a href="/rules">Rules</a></li>
			<li><a href="/faqs">FAQs</a></li>
			<li><a href="/resources">Resources</a></li>
            
                <li><a href="/standings">Contest Rankings</a></li>
            
		</ul>
    </div>
</nav>
                
            </div>

            <div class="row">

				<div style="padding: 0px;" id="main-content" class="col-xs-12">
                    

                    

<script type="text/javascript" src="/static/scripts/easyXDM.min.js"></script>
<script type="text/javascript" src="/static/scripts/CodeforcesRemote.js"></script>

<div style="min-height: 500px;" id="iframeWrapper"><iframe style="width: 100%; height: 442445px;" id="easyXDM_default7697_provider" border="0" src="https://ctc.codeforces.com/ctc/contests/iframe?ctc.authToken=982a9d86675b0af6247bdc07f00c43fef90b2453&amp;ctc.userId=c647679e8bed039a625305fe&amp;ctc.contestId=9&amp;ctc.timestamp=1396532282&amp;ctc.parentUrl=https%3A%2F%2Fwww.calltocode.ie%2Fcf%2Fstart-coding&amp;xdm_e=https%3A%2F%2Fwww.calltocode.ie&amp;xdm_c=default7697&amp;xdm_p=1" frameBorder="0" name="easyXDM_default7697_provider"></iframe></div>

<script type="text/javascript">
	var url, timestamp, contest_id, student_id, auth_token 
	url = 'https://ctc.codeforces.com/ctc/contests/iframe' //'http://iframe.codeforces.com/ctc/contests/iframe'
	timestamp = 1396532282
	contest_id = 9
	student_id = 'c647679e8bed039a625305fe'
	auth_token = '982a9d86675b0af6247bdc07f00c43fef90b2453'
    
	CodeforcesRemote.injectIframe(
		url,
		document.getElementById('iframeWrapper'),
		timestamp,
		contest_id,
		student_id,
		auth_token
	);
</script>


                </div>

			</div>

        </div>

        <script src="/static/scripts/bootstrap.min.js"></script>

TouchingVirus · 03-04-2014 3:07pm

I don't understand. You're entering into a competition

. Do you code the HTML for the form, or just the python the page uses? A thorough explanation of what you're doing would be very helpful.

Emmet Manning 99 · 03-04-2014 3:12pm

that is the html of the page where you test the code you write for a question given on another page. the python code i wrote is to answer that question. the competition gives that webpage online to test your code you wrote. The copetition is "google call to code"

KERSPLAT! · 03-04-2014 3:14pm

So is it a school assignment or a Google competition?

Emmet Manning 99 · 03-04-2014 3:16pm

I have to do it for the school

TouchingVirus · 03-04-2014 3:17pm

Emmet Manning 99 wrote: »

I have to do it for the school

Nah, you're evading the question now and I've tried to help. I've explained your issue - you wrote a CLI app which won't work in a web environment.

Emmet Manning 99 · 03-04-2014 3:19pm

Sorry how am i evading the question?

TouchingVirus · 03-04-2014 3:32pm

You said it was a school project. School projects don't usually end up being Google-backed competitions where you can win prizes for yourself, your teacher and/or your school. The registration date for this competition has ended, and I'm certainly not eligible to participate. So I can't see what you're doing and you're not explaining it incredibly well. I suggest you contact your teacher for help, it sounds to me like the competition site is buggy if you cannot control the HTML on the page and it's throwing an error.

Emmet Manning 99 · 03-04-2014 4:15pm

yeah was thinking that myself. Thanks for the help anyway!

Emmet Manning 99 · 03-04-2014 4:25pm

Played around with this some more and i'm now getting this :mad: not sure what's wrong maybe if it's something simple someone could help me?
Can't compile file:
Traceback (most recent call last):
Played around some more and now it's telling me this
File "<string>", line 1, in <module>

File "20837.py", line 2

{o = 0

^

SyntaxError: invalid syntax

Pixie69 · 03-04-2014 10:16pm

Emmet Manning 99 wrote: »

Any coders/mathmaticians out there that could help me with this code problem? If someone could write a solution in python that would be great.:D
For sure, you have heard about the love that pirates have for gold. Dwarven pirates are even more avaricious. There are a lot of legends and fairy-tales that describe the passion of these small creatures for this metal.
Let's imagine the situation where three dwarves have found a goblin's chest with N gold coins and have to divide them. Due to ancient rules governing the allocation of loot to pirates in order of seniority, the oldest dwarf should get one coin more than the middle dwarf, and the middle dwarf should get one coin more than the youngest dwarf.
Help the dwarves to divide the coins in this way, or tell them that this is impossible.
Input

You are given integer N (1 ≤ N ≤ 1000).

Output
If it is impossible to divide the coins in the way that dwarves want, print -1 (minus one). Otherwise, print the numbers of coins which the oldest, the middle and the youngest dwarfs get (in this order). Separate the numbers with spaces.

Sample test(s)
Input
3

Output
2 1 0

What are you smoking?

Emmet Manning 99 · 03-04-2014 10:21pm

Pixie69 wrote: »

What are you smoking?

Ask google

carlmango11 · 03-04-2014 10:57pm

The most senior dwarf gets ((N-3)/3)+2 coins. Should be easy enough to code

Emmet Manning 99 · 03-04-2014 11:16pm

Yeah but i don't have much experience coding

haven't a clue to be honest

Emmet Manning 99 · 03-04-2014 11:27pm

Could really do with the answer tonight guys

KERSPLAT! · 03-04-2014 11:32pm

The forum is here to help not do your assignment/competition/homework for you

*urgent* Need help to figure out this code problem

Comments

urgent Need help to figure out this code problem