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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.
isn`t the complexity just N? why n^2?
omg i forgot about erase method
Very smart
This solution is very simple but it's also n^2 complexity, you can do better :)
Ah yeah, my bad. Forgot to click it.
Please use spoiler flag next time. Your post was visible in the homepage.
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HOW???
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a possible solution is to skip the characters '-' and '_' with "continue" and store it in another string
it looks same with my own XD
It will be great, if you explain your ideas.
No
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