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.
Find common elements in matrix rows
Find best domino orientation
Matrix with different incremental runs
Converting binary to decimals
5th Time's a Charm
Radiation Heat Transfer — View Factors (1)
Divisible by n, prime divisors - 11, 13, 17, & 19
5 Prime Numbers
Divisible by 8
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