所以到底B是朝前还是F朝前啊

P2882 [USACO07MAR] Face The Right Way G

@[QuantumCheshireCat](/space/show?uid=54591) F=Front朝前 B=Back朝后
by Smile_Cindy @ 2019-07-24 23:32:42


@[Alpha](/space/show?uid=87058) 感谢感谢!
by Seauy @ 2019-07-24 23:37:44


F=Forward B=Backward
by St_Range @ 2022-02-15 12:56:19


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