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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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I'm having a problem with overflowing longs. I'm using c# and around 4x7/4x9 systems even the reduced numerators or denominators get too big. Even ulongs aren't big enough. Do i have to use strings?
My solution uses the row echelon form.
Edit: Nevermind found BigInteger