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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.
what happens if the two nums are the same? Or do we assume that won't happen?
EDIT: actually, this response is still misleading, I think. The path is not determined by which two possible dowstream choices is larger. The path is determined by the one that sums to the largest possible number (with possible paths never moving more than 1 to the right or left at each level it goes down)
I'm failing on a random test:
revrot("99078338908780462326765532387905467445133816990142103135275560", 6)
it claims this should return ''. Why should it return ''?