Excellent competition @kenchung! A classic problem. Don't quite know if I remembered how to do it correctly, but my method worked for small cases! I actually had to rethink the problem... Oops. Lol.
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Excellent competition @kenchung! A classic problem. Don't quite know if I remembered how to do it correctly, but my method worked for small cases! I actually had to rethink the problem... Oops. Lol.
ye you are right, it's a classic problem :) but I guess most of us have forgotten how to do already! lol
I'm definitely one of them. Haha. Gotta open the old combinatorics book. I was considering it, but wanted to try it myself first.