MATLAB Programming Contest Blog

November 4th, 2009

This Fall’s contest is based on the game Flood-it.

As usual, we are starting out in Darkness moving into Twilight, then Daylight. The contest will run until next Wednesday, November 11, 2009, high noon (Boston time). Links to get started:

• The rules are especially important to read if you are new to to contest.
• Start playing by downloading the zip on File Exchange
• If you have questions or comments, you can post to the newsgroup thread

Enjoy!

Helen and the MATLAB Central Contest Team

By Helen Chen

Helen is part of the MATLAB Central team. She spends her days hanging out with really cool folks online at MATLAB Central and at MathWorks HQ in Natick.

17:37 UTC | Posted in Color Bridge | Permalink | 2 Comments »

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2 Responses to “Color Bridge Contest is now under way”

1. Michael replied on November 4th, 2009 at 18:22 UTC :
   

   The syntax of the function ‘solver’ as explained in the rules is:
   colors = solver(A,[targetRow targetColumn])

   while in the distributed functions it is:
   colors = solver(A,targetRowAndColumn)
   This also fits the ‘testsuite_sample.mat’ is built.

   What is the correct one (should we use a linear index of the target or subscripts)?

   Thank you

2. Doug replied on November 4th, 2009 at 18:51 UTC :
   

   Everyone,

   Sorry about that. I wrote the contest code in absolute indexing, and then changed it to match the rules. I pushed the absolute indexing version accidentally. My bad.

   We just modified the rules to match the contest suite as it is on the File Exchange. Looks like some of the early entries figured it out and are doing well. Use ind2sub to convert to row column if you happen to need it.

   sorry,
   Doug

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<pre class="code">
a = magic(3);
sum(a)
</pre>

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