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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.
Is the data type wrong?
yes, this solution make is great
i agree with that
@zimmah .. thanks for explanation
can i get explanation?
i dont understand with $proizvod*=$a[$i++] in for()
why dont in {}
Why do you count 2 times more? upper / lower, can you make a subtraction from the array instead?
LOL, i found hard ways