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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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permanently
Not an issue. Print the result before returning it (e.g.
std::cout << "~~~" << result << "~~~" << std::endl- the input string never includes tildes), and you'll most likely see trailing whitespaces. Otherwise, your algorithm is wrong.C++ testing framework hides trailing spaces, try printing your output with some char at the end to see if that's the case. There are open issues about C++ below too.
What?