acm算法nim游戏篇(算法设计)

acm算法-nim游戏篇（算法设计）AnumberofNim-likegamesinwhichmovesarerestrictedsomehowtooccurfromasinglepileareanalysed.IneachcasethecompletedescriptionoftypePandtypeNpositionsisobtained.AmoredetailedanalysisoftheSprague-GrundyvaluesofpositionsintwoheapNimwherethemovemustbefromthelargerheap