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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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Nice train)) Chuuu chuuu =)
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The absolute sickest! very ingenious.
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it is
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Problem: (15, 12, 20, 25)
Factors: (15 = 3 * 5, 12 = 2 * 2 * 3, 20 = 2 * 2 * 5. 25 = 5 * 5)
Unique factors: (2, 3, 5) ==> (2 is in 12, 20; 3 is in 15, 12; 5 is in 15, 20, 25)
Result: (2, 12 + 20)(3, 15 + 12)(5, 15 + 20 + 25) = (2 32)(3 27)(5 60)
Part of the problem is to figure out how to deal with the problem. Though, sometimes the servers are just busy.
The main reson that the problem is ranked 3kyu is that you have to deal with the timeout problem.