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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.
+1 this solution is clearly not optimised
It reduces your loops by 1.
vis already the first element of the array (1 * arr[0] == arr[0]), so you can simply skip the first element on the loop. IMHO this is the best solution.append - good solution if result = make([]int, 0, n)
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I'm surprised this is the best practice:
:=, should we not use it ?Also I wonder if it is not faster to compute if we use the mathematics formulas.