Relying on visual intuition. Drawing small, simple graphs can lead to false assumptions that fail on complex, disconnected, or cyclic graphs. The Fix: Rely strictly on algebraic definitions (vertices

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Graphs, trees, connectivity, and Eulerian/Hamiltonian paths. ❌ Common Roadblocks (And Why You Get Stuck)

Graph theory is the study of graphs, which are non-linear data structures consisting of nodes (vertices) connected by edges. Graphs can be: