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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.
we are supposed to crete an array u which has the mentioned sequence in ascending order. for the return part, given input is an index and its supposed to return the element from that index in the array.
This is my understanding.
I'm able to run my solution in difference compiler (programmiz) and get correct output for all the mentioned tests, however it's getting timed out here