Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').
The test suite does not check that the solution is a character string, but the problem definition requires that it should.
Added this check. (I messed it up a bit the first time I tried to do it, so sorry for some interim weirdness.)
str = num2str(A,formatSpec), could replace '
Invalid solution, really
New test suite invalidates this solution.
Find the peak 3n+1 sequence value
Find the index of n in magic(n)
Element by element multiplication of two vectors
Are you in or are you out?
All your base are belong to us
Sum my indices
Is my wife right?
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