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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.
Correct. However, you will see a lot of wtf stuff at 8 kyu when the person is new lol.
the in calls contains, so use contains is just more fast?
It's self explanatory, isn't it? But added to the description.
added
constqualifier + better failure messagesYes, I had this issue when trying to come up with in inplace solution and realised a string literal is passed in.
The function signature should read char *DuplicateEncoder(const char *str); to signify that the argument is immutable.
Yeah :/
exactly. you need to promote types to something wider than int to avoid overflow. solutions which you saw working probably convert data to unsigned long long at some point.