Test problem 21 is faulty.
It has been updated.
Test suite has crashed again plz fix
@ Nikolaos: are you sure it's the test suite and not a server error? If you get the following message, it is due to a temporary server problem, not a specific problem: "While evaluating the solution, the server encountered an error caused by temporary unavailability of MATLAB Service. Wait a few minutes for the MATLAB Service to return, and then rescore." If you are getting this error, simply try the problem again later or on a different day.
Sum all integers from 1 to 2^n
Calculate the Hamming distance between two strings
Equal to their cube
frame of the matrix
Sum of odd numbers in a matrix
Stress-Strain Properties - 4
Stress-Strain Properties - 7
Highly divisible triangular number (inspired by Project Euler 12)
Lights Out 10 - 5x5, with wrapping, 6 moves
Power Times (of the day)
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