1. This solution is much faster on re-invocation than the one without the persistent num_ones variable. Unless of course it is performed on a much larger (than num_ones) array of 32-bit integer.
2. It is essential to have the statement
The reason for this is that the floor() function has a problem with precision. If can fail with 32-bit integer that are close to 2^32.
For instance, consider this Matlab code and system response:
Make the vector [1 2 3 4 5 6 7 8 9 10]
Who Has the Most Change?
Connect blocks in a model
LASER Tracker - Mirror Distance and Angle
GJam 2014 China Rd B: Sudoku Checker
Fix y_correct : Hack
Checkerz_000 Kamikazi Kings
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