Loading collection data...
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.
Get started now by creating a new collection.
Never mind. Understood
I still can't figure out when or how to decide if given string is imposible to decode. I read other answer but it still does not make sense to me. Could you provide one example(s) with calculation.
changed the comment content bcoz I could not delete it. That trick won't work for this problem but it is good anywhere else since it works for all types of arrays
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This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution