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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.
Input size (matrix size and entries size) should be mentioned, because
int
is too small to store diagonal products in general. Overflow doesn't happen in the tests, but this is a big concern in general.This comment is hidden because it contains spoiler information about the solution