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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.
Get started now by creating a new collection.
I solved my question by looking at some comments below. I forgot that I couldn't change the original list.
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Please use a spoiler flag when posting code.
Your code gets a very explicit message, you just need to read it and take it in account, and, maybe, read the description carefully.
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My solution is as if I had implemented the function swapcase in C++. Now that I look how the solution can to be smaller than I had have think.
Timing out is not a kata issue.
I'd say yes.
This comment is hidden because it contains spoiler information about the solution
Is possible solve this problem using JavaScript? My original solution is in this language, but I was has the error of time out.
I tried to apply recursion in my solution for generate the coordinates, but it was difficult to make the solution small.