萌新求助,#3#4 WA

P1002 [NOIP2002 普及组] 过河卒

@[EricQian](/user/113073)
by StevenLu1103 @ 2020-06-12 20:04:51

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@[stdout](/user/149493)
by StevenLu1103 @ 2020-06-12 20:08:21

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@[Oler_Accepted](/user/148851) @[EricQian](/user/113073) 大佬帮帮我QwQ
by stdout @ 2020-06-12 20:10:18

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好了,终于AC了QAQ
by stdout @ 2020-06-12 21:46:15

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