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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.
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sugerencia,no es recomendable usar *, en el order by para que sea mas eficiente usar la posicion y no el nombre del campo.
use dos tipos de solucion una iterativa usando bucles y otra recursiva.
Initialize your variables with the first value of the array