有n个人围坐在一个圆桌周围，现从第s个人开始报数，数到第m的人出列，然后从出列的下一个人重新开始报数，数到第m的人又出列，…，如此反复直到所有的人全部出列为止.利用Josephus环解决此问题。-There are n personal sitting around a round table all around, from the first s personal beginning now number off, to the number of m row, then stood do