【汽车加油问题】一辆汽车加满油后可以行驶n千米。旅途中有k个加油站。若要使沿途的加油次数最少，设计一个有效的算法，指出应在那些加油站停靠加油。 -Automobile refueling】 【fill up after a car can travel n km. K gas stations in the journey. To make the least number of refueling along the way to design an efficient algorithm