Hi, I've been reading HTDP and I'm about half way through. To apply what I've learned in the book to a bigger exercise, I decided to write a boggle solver.
You can find the code here: https://github.com/jduan/boggle_scheme/blob/master/boggle.rkt Any feedback is greatly appreciated. I'm specifically looking for feedback on: 1. Did I break the problem into right components? 2. How can I make the code more idiomatic? 3. Why is code so slow? It can take minutes to solve a 4 by 4 board. The same board can be solved by a ruby program I wrote in much less time, like a few seconds. I know recursive functions are a big reason but is there anything? Thanks, Jingjing
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