随笔分类 - A——正睿

正睿OI国庆day1

摘要：正睿OI国庆day1 T1 $$ S_n=1 S_{n 1}+1 F_{n 1}+1 F_{n 2}+1 f_{n 1}+1 f_{n 2} $$ $$ F_{n}=0 S_{n 1}+1 F_{n 1}+1 F_{n 2}+1 f_{n 1}+1 f_{n 2} $$ $$ F_{n 1}=0 S 阅读全文

posted @ 2019-10-01 16:47 lcyfrog 阅读(212) 评论(0) 推荐(0)