Posted on 14th April 2015
As expected, flight back from Boston to Leeds via Dublin resulted in zero sleep, and so hopes were not overly high for the 2015 Qualification Round. But, only 20 points needed to progress, which can't be too hard, right?
Anyway, in the end, I got 100%, and seem to be the highest ranked UK participant. This, one suspects, won't last...!
Some code on GitHub. On the todo list is to update this post with some comments, but my solutions are pretty similar to the Offical Analysis.