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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.
So, this is not the best practice even though it has 68 best practices. This mean I should not just beleive this counter, I think.
I have just joined codewars and want to understand it.
Tell me please, does this solution iterate over formData four times?
If I am not wrong, solution like this will not pass test on JS like
Test.assertEquals(pairOfShoes([[0,20],[0,21],[1,19],[1,22]]), false)
with equal sum of sizes for left and right shoes.
What if shoes = [ [0, 2], [0, 10], [1, 5], [1, 7] ] ?