求解Josephus问题的函数。用整数序列1, 2, 3, ……, n表示顺序围坐在圆桌周围的人，并采用数组表示作为求解过程中使用的数据结构。-Josephus problem solving functions. With a sequence of integers 1, 2, 3, ... ..., n that order around a round table around and use that as an array of data used in the process of