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「AGC046D」Secret Passage | Okazaki Yumemi's blog #100

Open OkazakiYumemi opened 4 years ago

OkazakiYumemi commented 4 years ago

https://okazakiyumemi.github.io/blog/AGC046D/

题意简述AGC 046D 给定一个01串 $S$,每次操作把最前面的两个字符删除,并将其中一个插入回串中。求能获得的串的个数,取模。 $|S|\le 300$。