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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.
This is perfect ;(
return a.Any(b.Contains);
if array is null it doesn't work
Yes, definitely simpler. Not sure about more performant...maybe.
Perhaps then
a.Intersect(b).Any()- even simpler and more performantTrue, but sometimes performance is not always the goal. Sometimes simplicity and maintainability are also important.
@phil-port under the hood, this approach could require a lot of comparisons, upto
a.Length * b.Length.This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
Didn't realise you could change the method signature. I noticed some people (using recursion) changing the return type to long to avoid the cast to int when n < 10