A Rubyist? Ruby is a nice language but because of its core design flaw of metaprogramming there's no point in trying to squeeze optimizations out of Ruby code. It's slow by design.
What on earth are you talking about?
Rubyist makes some Python code 5x Faster
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Re: Rubyist makes some Python code 5x Faster
#12The board contains only binary values. So why not use binary comparisons in integers ?
For any row, you test the row value & the current col and have your answer.