{"schema":"vela.problem-packet.v0.1","problem":549,"statement":"If $T$ is a tree which is a bipartite graph with $k$ vertices and $2k$ vertices in the other class then\\[R(T)=4k-1.\\]","status":"solved","seam":"raw","closureRoutes":[],"obligations":[],"attestations":[],"attempts":[],"velaLean":[],"oeis":[],"generated_note":"derived view; the signed event log is the source of truth (vela check / vela reproduce)"}