• ###### ejini战神resolved a question on "A Rule of Divisibility by 13" kata

OP solved it, closing

• ###### jrom99commented on "Sortable Shapes" python solution

It works because `self.area` of `Rectangle` is defined within the parent class `Shape`

• ###### eluschacommented on "int32 to IPv4" python solution

Could you maybe hint on how is this magic with * called? I am trying to google it but cannot find. Update: found it (http://docs.python.org/dev/reference/expressions.html#calls)

• ###### farhanadityacommented on "Unique Pairs" kata

You have to use BigInt since the permutations can get really big.

• ###### GabeTheBearcommented on "int32 to IPv4" python solution

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• ###### KonradLinkowskicommented on "Best travel" javascript solution

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• ###### ChirathPansilucommented on "Looking for a benefactor" cpp solution

Because problem needs answer to be rounded to the next integer. This trick works like calling ::ceil.
If the extra have a decimal point value greater than or equal to 0.001 this addition will push the extra to next integer and explicit conversion to long long will get rid of remaining decimal points.

• ###### arhigodcommented on "Magic Five" kata

('555', 2) the same as ('555555', 1), where you can remove or leave every digit (2^6) minus case, when you deleted all digit (it is not allowed to delete all the digits): `2^6-1`

• ###### JohanWiltinkresolved an issue on "Magic Five" kata

These are not kata issues.

• ###### ykIsCodingcommented on "Sortable Shapes" python solution

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• ###### ykIsCodingcommented on "int32 to IPv4" python solution

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• ###### ykIsCodingcommented on "Unique Pairs" kata

why will the non-repeated combination formula n!/r!(n-r)! not work for the big test but for the small test it works :(