智者:渡河问题 一个摆渡人要把一只狼一只羊和一捆菜运过河去.由于船很小,每次摆渡人至多只能带一样东西.另外,如果人不在旁边时,狼要吃羊,羊要吃菜.问这人怎样才能将他们运过河去. -Wise:摆渡人to cross the river to the issue of a wolf a sheep and a bunch of food shipped across the river. As the boat is very small, each only with a maximum