Josephus问题：设n个人围坐在一个圆桌周围，从第s个人开始数数，数到m的人，让他出局，然后从出局的人的下一个人开始重新开始数数，数到m的人，再让他出局，……，知道全部出局为止-Josephus problem: Let n individuals sitting at a round table, from the first s personal began to count, count to m, let him out, then the next person out of th