AC自动机：https://www.cnblogs.com/cjyyb/p/7196308.html
cpu的乱序执行 ： https://blog.csdn.net/qq_36623327/article/details/107622833
https://www.zhihu.com/question/373792065
python退出多层循环：https://www.cnblogs.com/lybigdata/p/10025030.html
https://www.jb51.net/article/151478.htm