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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.
Read the description once again ;)
It has been fixed now. There will be no more random cases in C# with "-1" as the coeficent. It will show "-".
What language were you using? C#? It states in the description that if a = -1 a '-' will be placed, so this shouldn't happen. I will look at it.
Please, format properly. And from what I can understand from the first reply, it is correct that you put
/wanted
in the path of the url.Except the number of letters doesn't influence whether the number of permutations is even or odd - it will always be even (except
1! = 1
). This statement makes no sense.n is the number of letters. => abcd? abc?read the description again.