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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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Still BigInt capabilities are not disbled for some language. Kata translation should take this into account.
Using bigint would not be 4 kyu, and this kata is intentionally kept in the low version of Node which does not support BigInt.
The whole point of the kata is to figure out how to add two big numbers in a way how you imagine the bigint would do this internally.
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