Here's a 5 - 10 minute iterative version in C. https://gist.github.com/1567842 https://gist.github.com/1567842 I tend to like to rough code out Lispishly, but

Here's a 5 - 10 minute iterative version in C. https://gist.github.com/1567842 https://gist.github.com/1567842 I tend to like to rough code out Lispishly, but if I'm actually running stuff I'll often do it in C.