先把鸡带到对岸,返回后把狗带到对岸,返回时,把鸡带回原位置,再把米带到对岸,最后把鸡带到对岸.
First chicken to the other side,after the return of the dog to the other side to return,put chicken back to the original location and then meters to the other side,Finally,the chicken to the other side.