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:
DNA N-Gram Distribution
Reverse the vector
Raise Matrix to Power
Create an 'arrow-head" matrix
Battleship_010 : (TM) Classic Game - Methodical Bot (100 move max)
PACMAT - Ghosts Random; 3 Lives
GJam 2014 Rd 1c: Train Cars
RISK Calculator - Large Armies, High Accuracy, Fast
Kaggle: Planetoid Game of Life - Total Score 0.10
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