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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
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Three problems in the test cases
A 7x7 test cases is actually 7 x 6
One case has expected solution:
[D,D,R,R,R,R,R,D,D,L,D,L,U,L,L,D,L,D], but there is actually a shorter path:
[D,D,R,R,R,R,R,D,D,L, L, L,L,D,L,D] which avoids a detour round a small cul-de-sac.
The configuration for the last two test cases (12x12) has two equally good paths, since there is an open square at 2,10 3,10 2,11 3,11; so paths:
...D,R,R, R,U, U,U...,
...D,R,R, U,R, U,U...
both work.
I have editted the test cases to fix the size and remove the ambiguities. I hope the changes seem OK to you,
Mark
Still some bugs in the random tests of the Haskell version.
eg 1) expected: "-+14c+11x... due to a ("",-1) term
eg 2) expected: "z-6ab-9ac... but there was an (uncancelled) ("",1) term present.
Happily, random test cases are random, so two presses later I had clean green.
Working in Haskell I am getting Time: 2966ms Passed: 5 Failed: 0 Errors: 1, but there is no indication what the error is.
I need some hint about how to proceed!
Still getting this problem.
Sample tests 1 and 4 still lack second parameter, as does (at least one of) the final tests