C++ Stack Example Rearranging RailRoad Cars 火车车厢重排问题
Lookatfigure1.Therailroadcars inthe"Inputtrack"isnotsorted.Weneedtheminasortedway in"Outputtrack"likecarsinfigure2.Therearethreeholdingtrackswecanusetorearrangingroailroadcars.Apictureisworththanathou