Remove numbered boxes from stacks in order while minimizing move energy.
All challenges
Choose powered stations, cables, and radio strengths to cover residents at low cost.
Reconstruct a toroidal character matrix that contains many observed strings.
Tile Path Score
openFind a high-value path on a tiled 50 by 50 board without revisiting a tile.
Cut a cake with straight lines to create pieces matching requested strawberry counts.
Choose a subset whose sum is as close as possible to a target.
Swap adjacent balls in a triangular pyramid to improve ordering.
Emit a simple valid move script for the pet shelter simulation instance.
Produce source-grid routes for noisy path-feedback instances.
Select delivery requests and a route that completes them with low travel time.
Candy Tilt Moves
openEmit a deterministic tilt sequence for the candy board source instance.
Place non-overlapping advertisement rectangles to satisfy requested locations and areas.