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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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Excuse me, that code used
setfor avoiding of same results.But heapified list founds min faster.
What storage is better for that task?
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Before programming 2D matrices, I also preffered Cartesian (x,y) instead of i,j, where i - row, j - column.
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