Open WAAutoMaton opened 6 years ago
https://waautomaton.tk/2018/04/18/loj-2335-%E8%B6%B3%E7%90%83-%E9%A2%98%E8%A7%A3/
test
https://waautomaton.tk/2018/04/18/loj-2335-%E8%B6%B3%E7%90%83-%E9%A2%98%E8%A7%A3/