bah, my lack of knowledge of probability fails me again
A very interesting probability problem applicable across a lot of areas underlies the solution. It isn't obvious at first glance. The solution is fairly short, but it takes a lot of thought to get it. I can't wait to see the length 14 solution!
ironic solution ftw!
I should have known! :) Next problem is, how many times can you expect to submit that solution! :)
OK. You've gamed the solution. The author shouldn't have to beef up the test suite to prevent this sort of solution.
Swap the first and last columns
Which doors are open?
Reindex a vector
Project Euler: Problem 4, Palindromic numbers
Project Euler: Problem 6, Natural numbers, squares and sums.
Getting logical indexes
Find best domino orientation
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