1：经典问题
https://blog.csdn.net/weixin_67596609/article/details/127658070?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_baidulandingword~default-8-127658070-blog-123801357.235^v38^pc_relevant_sort_base2&spm=1001.2101.3001.4242.5&utm_relevant_index=9
2：变形
标签：blog,relevant,default,127658070,问题,pc,汉诺塔 From： https://www.cnblogs.com/cutemush/p/17675477.html