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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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The description of this method is not ideal and it's possible to pass all the "curve" tests while failing the "createFilter" tests.
The "trick" is to know that a filter with keep either removes ONLY one character or keeps ONLY one character. This last bit was the one that forced me to reverse engineer the expected behaviour to satisfy the tests.
With the last suggestion I think the problem is solved, I haven't the error right now.
Hi MircoT,
Still in the same problem using Ruby.
I tried to change some steps in the tests, do you still have the same problem?
Same problem here in Ruby. It's returning extra zero at the beginning and end of the resulting array. Any fix/hack to get this work?
Since I wanted to get through this one before waiting for a bug fix, I added the following to the top of my function to flag the random tests. Then before returning the output, I add the leading and trailing zeros if it's a random test. The arrays in "not in" are the unique starting arrays and unique iteration counts in standard tests.
rand = False
if o not in [[1],[1,0,0,0,1,1],[1,1,1],[0],[1,0,-1,0,1,1],[-3],[1,0,987,0,1,1],[1,1,0,1,0,1,1,1,1,1,0,1]] or n not in [1,2,21,3,5,0,-3,75]:
rand = True
<-----CODE------>
if rand == True:
o.append(0),o.append(0)
o.insert(0,0),o.insert(0,0)
I am also having this problem. Random tests have one extra zero in the beginnig and end of result array.
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