有一个点要注意,题目说男生每秒可走3步,意思是他可以走1~3步!而不是他一下子必须走三步!所以从女生角度来看,他一秒要扩展三层。

1 comments

  • @ 2025-3-11 13:53:20

    欸,那可以不动吗

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