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Level 18

Moderators: UncleTimmy, mjpieters

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jungle

Posts: 1

Joined: Tue May 17, 2005 5:31 am

Post Tue May 17, 2005 5:37 am

super-dense head here...

I've moved a fairly quick clip through the first couple levels, but I seem to be having problems on this one.

I've found the compressed file, and used the python modules whose name is implicated by the level's question. The output gives me three different, interleaved 'streams'. It is at this point that I'm not sure what to do to further proceed. A gentle push in the right direction would be appreciated. Thanks.
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onai

Posts: 11

Joined: Mon May 09, 2005 1:52 pm

Post Wed May 18, 2005 3:09 am

Re: A real pleasure!

UncleTimmy wrote:I couldn't make a solid block of time for this one, so just stared at the file and the clues in odd minutes over the last day. Then what needed to be done suddenly dawned on me, and it worked the first try. That hasn't happened often since level 0 :wink: -- and it didn't hurt that I wrote the main Python module of use here (which isn't much of a clue, but explains how I could picture the outcome before trying it -- and no, it doesn't relate to obscure properties of floating-point arithmetic :wink:).


Wonderful! I would never have discovered this module without the hint!
Up to 19 now ..
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fusterclucker

Posts: 3

Joined: Wed May 11, 2005 11:52 am

Post Thu May 19, 2005 7:27 am

Re: super-dense head here...

jungle wrote:I've moved a fairly quick clip through the first couple levels, but I seem to be having problems on this one.

I've found the compressed file, and used the python modules whose name is implicated by the level's question. The output gives me three different, interleaved 'streams'. It is at this point that I'm not sure what to do to further proceed. A gentle push in the right direction would be appreciated. Thanks.


I've got a similar problem. I was able to get through the first 17 levels pretty quickly. I've been stuck on this level for quite some time now. I've found the compressed file. I can "picture" what the data in the compressed file looks like. But, I'm not sure what to do with it. I don't know how to get the three interleaved streams. A little help would be greatly appreciated.
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UncleTimmy

Posts: 118

Joined: Thu May 05, 2005 3:44 pm

Post Thu May 19, 2005 10:53 am

Re: super-dense head here...

fusterclucker wrote:... A little help would be greatly appreciated.


A good page title may be worth reading more than once.
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pmduque

Posts: 4

Joined: Tue May 17, 2005 6:34 pm

Post Mon May 23, 2005 12:29 am

Swan differences?

Help!

I'm trying to find the differences between the two swan pictures, but it's leading nowhere.

I've tried several methods (separating channels, tried to find patterns), but all lead to a dead end.

Is this the way to go?

PS: by the way, great challenge. Great way to learn python!!!
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johnlr

Posts: 41

Joined: Thu May 05, 2005 4:17 pm

Location: kiwi in aussie

Post Mon May 23, 2005 1:29 am

Re: Swan differences?

pmduque wrote:Help!

I'm trying to find the differences between the two swan pictures, but it's leading nowhere.

I've tried several methods (separating channels, tried to find patterns), but all lead to a dead end.

Is this the way to go?

PS: by the way, great challenge. Great way to learn python!!!


Stop being such a geek :)
You don't need to know about computer graphics to get this part :D
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ajohnson

Posts: 38

Joined: Fri May 13, 2005 2:16 pm

Post Tue May 24, 2005 9:47 am

I've found what calls itself a compressed file but doesn't appear to be. I've split it down the middle and tinkered a bit but the items seem damaged and wont load. Not sure where the diff-erence is supposed to come in.

Any hints?
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mjpieters

Site Admin

Posts: 172

Joined: Wed May 04, 2005 8:56 am

Location: Norway

Post Tue May 24, 2005 11:28 am

ajohnson wrote:I've found what calls itself a compressed file but doesn't appear to be.


If you downloaded the file with your browser, it was probably automatically decompressed for you.

I've split it down the middle and tinkered a bit but the items seem damaged and wont load. Not sure where the diff-erence is supposed to come in.


You have two sets now, right? See if there is a Python module that'll help you deal with differences..
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pmduque

Posts: 4

Joined: Tue May 17, 2005 6:34 pm

Post Tue May 24, 2005 3:56 pm

This one is hard!!!

Took me 3 days to get to the compressed file!!!

You need to guess the diference...

Now for the easy part ;o)
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ciaron

Posts: 6

Joined: Wed May 25, 2005 6:18 am

Location: Berlin, Germany

Post Wed May 25, 2005 6:36 am

stuck!

I've found the compressed file, split it down the middle and used the much-hinted-at module to get three files ([spoiler removed])
I've got a mental block about what to do next! Do I apply this data to balloons.jpg? The amount of data doesn't fit nicely, as far as I can see.

Please help!!

(Certainly challenging!)
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johnlr

Posts: 41

Joined: Thu May 05, 2005 4:17 pm

Location: kiwi in aussie

Post Wed May 25, 2005 3:14 pm

Re: stuck!

ciaron wrote:Do I apply this data to balloons.jpg?
no
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ciaron

Posts: 6

Joined: Wed May 25, 2005 6:18 am

Location: Berlin, Germany

Post Thu May 26, 2005 1:31 am

Got it! Once I got a clue as to what the data was, it worked out. I thought it was more complicated than it really was. :roll:
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pfafrich

Posts: 3

Joined: Tue May 24, 2005 6:54 am

Location: UK

Post Sun May 29, 2005 11:58 am

Only getting the top half of the answers

So I found that big hex dump. Played about with
a unix utility with and obvious name and got three things.
Only problem is them things is only half right :cry:
the top half of each is good but the bottom half is all foobar (sic).
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mjpieters

Site Admin

Posts: 172

Joined: Wed May 04, 2005 8:56 am

Location: Norway

Post Sun May 29, 2005 12:24 pm

Re: Only getting the top half of the answers

pfafrich wrote:Played about with
a unix utility with and obvious name and got three things.
Only problem is them things is only half right :cry:


Well, do the right thing then and do it in Python! ;)
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pfafrich

Posts: 3

Joined: Tue May 24, 2005 6:54 am

Location: UK

Post Mon May 30, 2005 1:48 am

Re: Only getting the top half of the answers

Got it. Seems the problem was I didn't know how to use my scissors correctly.
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