All challenges

Optimize a fused dual-linear Jensen-Shannon divergence Triton kernel.

Optimize a fused linear and cross-entropy Triton kernel.

Transform a jelly matrix with swaps, rotations, and preset operations.

Find vertices that reach the same functional-graph cycle as vertex 1.

Optimize a Triton flash-attention kernel with causal masking.

Sort a permutation using cyclic shifts of one chosen segment length.

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

Sort a permutation while compensating for planned swaps at low energy cost.

Report the hidden line width from the RiOI editor source instance.

Produce an edit transcript that captures a long common subsequence alignment.

Find the singleton value through membership queries over a hidden shuffled multiset.

Pick one landing point per city and order a closed drone delivery route.