Problem 2733. Evil Number

Jan Orwat

272 solvers

3 likes

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Check if a given natural number is evil or not.

Solution Stats

Last Solution submitted on Feb 16, 2026

6 Comments

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rifat on 19 Jan 2015

are test #3 and #4 correct?

Jan Orwat on 19 Jan 2015

Sorry Rifat, I've messed up test cases. Rescored now.

rifat on 19 Jan 2015

Thanks :)

Lorenzo Valentini on 2 Sep 2016

Arrays are not a natural number..for the tests I mean

Jan Orwat on 2 Sep 2016

@Lorenzo, the input to solution function is always a single number. I've used arrayfun to make multiple tests in a single test case.

yurenchu on 24 Dec 2016

I think Test 3 and 4 are (still) faulty. The functions "any" and "all" must be swapped.

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