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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.
i have solved the problem(i think) but my code is not efficient and its always time out. in my IDE code takes only 0.078 secs but here it's taking more than 12000ms. i can't understand. also used AI for this optimization but no use, any ideas?
so true, i'am also so confused