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Could someone write a script to find out how many times "<problem> in <single letter>" has been posted to HN?

Yea but ray tracing is super fun. It's hard to be irritated with fun.

what if i write one in J and then post it on HN?

Only if it counts itself

It'll make front page, and I'll follow it up with a blog post about why it changed my life to rewrite it in K.