There appears to be an error is Test Suite #3.
Agree, len for Test Suite 3 should be 4 not 3.
Yes. Fixed it.
Very exciting, as always with Ned
Challenging like all the other problems set in the ASEE Challenge
Would have been a great question, if time constraints were there.
Wow! Size 10.
@Informaton: Oh, it's nothing; just a cheating script ("gaming the test suite answers") combined with the well-known 'regexp' trick. A proper small solution was first submitted by Tim (Solution 97452 - size:51) and was later optimized in size by Alfonso Nieto-Castanon (Solution 181060 - size:48). My alternative Solution 1198643 (size:63), which uses for-loops instead of conv2 or filter2 function, is also much better than this 'regexp' cheat.
Back to basics 19 - character types
Replace Vector Elements
Permute diagonal and antidiagonal
Cell Counting: How Many Draws?
Make a run-length companion vector
Generate a melodic contour string matrix
Formatting currency numbers
Rotate and display numbered tile
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