2421: Margaritas on the River Walk 给定n件物品和一个背包,第i件物品的体积为Vi,背包容量为C.要求吧一些物品放入背包使得剩下的物品都放不下去,求方案数
2421:MargaritasontheRiverWalkOneofthemorepopularactivitiesinSanAntonioistoenjoymargaritasintheparkalongtheriverknowastheRiverWalk.MargaritasmaybepurchasedatmanyestablishmentsalongtheRiverWalkfromfancy