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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.
Fixed
Code problems belong to
question
, notissue
.I can't unless you publish it here: is so, don't forget to use the spoiler flag.
But my advise would be to use for loops on a first version, make it pass the tests then try to peak other solutions and to integrate recursion in yours.
Please see my solution and guide me.
This comment is hidden because it contains spoiler information about the solution
The only possible way to optimize is to use for loop instead of recursive.
But recursive version is more understandable.
Not a issue, simply optimize your code.
Using recursive and got "Process was terminated. It took longer than 12000ms to complete".
//PHP Version
Test cases in PHP are wrong.