1Reconstruct ItineraryHardDepth-First SearchGraphEulerian Circuit
Solve → 2Reconstruct ItineraryHardDepth-First SearchGraphEulerian Circuit
Solve → 3Reconstruct ItineraryHardDepth-First SearchGraphEulerian Circuit
Solve → 4Reconstruct ItineraryHardDepth-First SearchGraphEulerian Circuit
Solve → 5Is Graph Bipartite?MediumDepth-First SearchBreadth-First SearchUnion Find
Solve → 6Possible BipartitionMediumDepth-First SearchBreadth-First SearchUnion Find
Solve → 7Reconstruct ItineraryHardDepth-First SearchGraphEulerian Circuit
Solve → 8Is Graph Bipartite?MediumDepth-First SearchBreadth-First SearchUnion Find
Solve → 9Possible BipartitionMediumDepth-First SearchBreadth-First SearchUnion Find
Solve →