说明：  用一辆吉普车穿越1000km的沙漠。吉普车的总装油量为500L，耗油量为1L/km。 由于沙漠中没有油库，必须先用这辆车在沙漠中建立临时油库。 该吉普车要以最少的油耗穿越沙漠，应该在什么地方建立临时油库，以及在各处安放多少油为好！
(1000km with a jeep through the desert. Jeep assembly oil is 500L, fuel consumption of 1L/km. Since there is no depot in the desert, you must first create a temporary depot with this car in the desert. The jeep fuel consumption to a minimum through the desert, it should create a temporary depot where, and how much oil in the entire place as well!)