If your purpose is to compare the efficiency, I recommend you to use tic/toc or timeit instead of clock/etime. The clock function measures the operating system time which is less reliable as compared to tic/toc measurements.
Find relatively common elements in matrix rows
Tune your guitar
Is my wife right?
Convert Hard Drive marketing sizes to actual data sizes
Output any real number that is neither positive nor negative
USC Fall 2012 ACM: Driving the Rover
Criss_Cross_000 : Unique elements in a Square array
ismember: Enhanced Performance for 'rows' and width - Speed Scoring (66% savings)
GJam 2013 China Event: Happy Teams 100 Pairs
GJam 2014 China Rd A: Library Sorting (Small)
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