蒟蒻刚学oi 80分求助qaq

P2296 [NOIP2014 提高组] 寻找道路

如题qaq #2 #8 错了,全部输出-1qaq
by 皓月当蓝空 @ 2018-11-07 17:34:46


你已经黑棒了加油
by SSSF @ 2018-11-07 19:16:43


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