“If I had to reduce all educational psychology just one principle, I would say this: The most important single factor influencing learning is what the learner already knows. Ascertain this and teach him accordingly
2-1 设 n 个人围坐在一个圆桌周围,现在从第 s 个人开始报数,数到第 m 个人,让他出局;然后从出 局的下一个人重新开始报数,数到第 m 个人,再让他出局,……,如此反复直到所有的人全部出局为 止。下面要解决的 Josephus 问题是:对于任意给定的 n, s 和 m,求出这 n 个人的出局序列。请以 n = 9, s = 1, m = 5 为例,人工模拟 Josephus 的求解过程以求得问题的解