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This forum is locked: you cannot post, reply to, or edit topics. TI-Basic Brain Teasers => TI-BASIC
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angel14995


Member


Joined: 13 Oct 2007
Posts: 181

Posted: 18 May 2008 08:29:47 pm    Post subject:

I recently was working in class, and we started doing non-right triangles and how to solve them and all. I got bored in class, and decided to start working on a solver of the angles of a triangle given the three sides. After a while, I came up with a program. Yesterday, I got the idea of how to shorten it down.

Now the teaser for all of you: Given inputs of a, b, and c, output A, B, and C in their respective orders. The input has to be in the program.

I got it down to 104 bytes:

Quote:
:Prompt A,B,C
:For(θ,1,3
:Disp cos‾(((A(θ≠1))+(B(θ≠2))+(C(θ≠3))-expr(sub("ABC",θ,1)))/(2expr(sub("BAA",θ,1)+sub("CCB",θ,1
:End


Anyone?
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DarkerLine
ceci n'est pas une |


Super Elite (Last Title)


Joined: 04 Nov 2003
Posts: 8328

Posted: 18 May 2008 08:48:00 pm    Post subject:

We're repeating ourselves: http://www.unitedti.org/index.php?showtopi...indpost&p=94058

Anyways, for the teaser at hand:

Quote:
Prompt A,B,C
{A,B,C
cos-1((.5sum(Ans2)Ans-Ans3)/prod(Ans

(39 bytes)


Last edited by Guest on 18 May 2008 08:52:45 pm; edited 1 time in total
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angel14995


Member


Joined: 13 Oct 2007
Posts: 181

Posted: 18 May 2008 09:01:02 pm    Post subject:

Aww crap. I didn't see it at all. When I looked at the forum the first time, I didn't see anything like it...
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