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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 O(n^2)
Why it works?
nice!
Thanks, it makes sense.
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What is the mechanism behind???
I wonder whether ? is used to convert alphabet to ascii number?
Wow, & is a good use
This is very clever!!!
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What is that condition? You can check my code to see how I accomplished it. Not exactly genius work though.
hmmm right_arr[index] is O(n) ?
Very clever, I forgot that the description states that there is only one solution.
EVERYONE! TRY THIS!
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