Problem 52724. Easy Sequences 20: Counting Prime-sided Rectangles
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1 Comment
David Hill
on 17 Sep 2021
I am getting 2 less on test 7. Not sure what the problem is.
Solution Comments
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1 Comment
GeeTwo
on 10 Nov 2022 at 0:27
At last! A truly MATLAB-like solution that doesn't time out! Essentially the same as one of my earlier solutions, but forcing that big array of ones and zeros to be int8 rather than double. Logical was just a touch slower than int8.
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