assert(isequal(sum(A(:).^(1:n)), sum(A(:).^(1:n)))), makes it too basic.
I have no idea what I was thinking of when I wrote this. Thanks for pointing that out so quickly.
This solution is correct. The only reason it fails at test 4 is because the test suite can' t deal correctly with any sets that have elements that are bigger than 250.
This solution has an error that will only manifest when n >= 13. The corrected version is Solution 1200230.
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How many solutions has this problem?
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