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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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This explanation from njxue should be added to the description of the kata - the actual description of the Kata is confusing. Thanks nxjue!
Its accident
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Please use spoiler flag next time.
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This comment is hidden because it contains spoiler information about the solution
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if list_squared(m, n), find all the numbers, x, between m and n (both inclusive) such that the sum of x's factors is a perfect square.
Return [[x1, perfect-square1], [x2, perfect-square2]]
eg list_squared(1, 250) ==> [[1, 1], [42, 2500], [246, 84100]] becuase 1 has factors [1] and 1^2 == 1 (perfect square)
42 has factors [1,2,3,6,7,14,21,42] and the sum of the sqaured factors is 1^2 + 2^2 + 3^2 + 6^2 + 7^2 + 14^2 + 21^2 + 42^2 == 2500 (perfect square)
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