This question is the WORST one!


  • 11
    Q

    What does undirected graph mean? It's a graph in which a node is a neighbor of its neighbors.
    Many people would think the terrible {#} format is just for OJ's input/output. I was stuck for this reason for half an hour.

    Why the question stress that the graph is undirected when it's actually directed?


  • 2
    E

    Well, now the paragraph about OJ's undirected graph serialization is not useful at all to solve this question.


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