这是传教士与野人精典问题的一个简单实现传教士与野人的个数可以输入，船的容量可以输入为交作业写，很马虎，请高手赐教！-This is the classic missionaries and savage the realization of a simple missionary with the Savage Number input, the boat will be able to import perpendicular operation was very sloppy, please