I hope everyone's been safe and dry this weekend--of course, I write these on Friday, so I don't actually know how bad it was (will be? will have been?). Here's the first Problem of the Week for October!
Click below for my writeup of my solution to this one.
Did you solve this problem the way I did or another way? Tell us in the comments section, and stay tuned, as always, for more Problems of the Week.