一些数据结构简单题:570C.Replacement427B.PrisonTransfer519B.AandBandCompilationErrors650A.Watchmen466C.NumberofWaysCHSEQ22.ChefandFavouriteSequence460C.Present459D.PashmakandParmida’sproblem528A.GlassCarving704A.Thor339D.XeniaandBitOperations527527D.CliqueProblem718D.AndrewandChemistry570C.Replacement给定一个长为n的字符串(包含小写字母和'.'),有m次操作...
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