Question: 4. [10 pts] Let G be a digraph with n 2 2 vertices. The graph is strongly connected, and every node has indegree 1. Prove

4. [10 pts] Let G be a digraph with n 2 2 vertices. The graph is strongly connected, and every node has indegree 1. Prove that G is the directed cycle with n vertices. Solution. YOUR SOLUTION HERE

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