Introduction - If you have any usage issues, please Google them yourself
There is a ferry, and each time the ferry can carry 10 vehicles crossing the river, crossing the river of vehicles is divided into two types of passenger cars and trucks, on the ferry the following provisions: ⑴ similar car first-come, first embarkation ⑵ bus before the goods on board ⑶ every passenger on the four will be allowed to board a goods vehicle, but if waiting for a bus less than four are filled by trucks, in turn, if there is no vehicle waiting for the bus to fill with ⑷ filled automatically after 10 set sail, when the a longer waiting time less than 10 when the vehicle should also be man-made ship-fat control.