Introduction - If you have any usage issues, please Google them yourself
cout < < " there is a farmer with a sheep, a wolf across the river一筐and vegetables." < <endl
cout<<"如果没有农夫看管,则狼要吃羊,羊要吃菜."<<endl
cout<<"但是船很小,只够农夫带一样东西过河。"<<endl
cout<<"问农夫该如何解此难题?"<<endl