On Fri, Jan 7, 2022 at 3:56 PM Stefan Baumann <ste...@bstr.at> wrote: > Solved part 1 similarly. For part 2 I calculated all ocean trench > coordinates t and all possible initial velocities i - so that the target is > reached and not overshot - as well as the list of steps s - up to the > maximum reached with the highest shot from part 1. > Then just test if the parabola coordinates - calculated with verb pc - > intersect with t. J session follows:
That sounds like a good (straightforward) approach. Better than my attempt to optimize the number of tests. Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
