All challenges

Pair chameleons with the same original color from hidden source metadata.

Move numbered balls between three baskets under center-ball transfer rules.

Output a Hamiltonian tour under a periodic route penalty and improve over the monotone baseline.

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.

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

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

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

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