All challenges

Coordinate simultaneous card passing until every player holds only their own label.

Visit ordered targets on a skating rink using moves, slides, and block alterations.

Emit a simple valid move script for the pet shelter simulation instance.

Shift rows and columns to remove demons while preserving fortune pieces.

Print a connected acyclic grid map that resists gathering agents under random moves.

Plan fighter refueling, movement, and attacks to destroy valuable red bases.

Design a two-choice transition plan whose long-run visit counts match target cleaning duties.

Optimize a cloud spot-instance scheduling strategy for the Frontier-CS cant_be_late_multi low/tight/small variant.

Optimize a cloud spot-instance scheduling strategy for the Frontier-CS cant_be_late_multi low/tight/large variant.

Optimize a cloud spot-instance scheduling strategy for the Frontier-CS cant_be_late_multi low/loose/small variant.

Optimize a cloud spot-instance scheduling strategy for the Frontier-CS cant_be_late_multi low/loose/large variant.

Optimize a cloud spot-instance scheduling strategy for the Frontier-CS cant_be_late_multi high/tight/small variant.