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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.
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please somone help me, my solution works perfectly on my computer but does not work in codewars:
its a library function https://man7.org/linux/man-pages/man3/toupper.3.html
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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
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because if i try to set the length of the return string to z it gives me an memory error but if i try to use it as the size for my return string it does not work either
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