@[xht37](/user/100544)
by 2017gdgzoi999 @ 2019-12-07 08:54:04
@[NaCly_Fish](/user/115864)
by 我好蒻呀 @ 2019-12-07 09:05:59
@[zhouwc](/user/20218)
by 我好蒻呀 @ 2019-12-07 09:06:10
本题如果公开，麻烦管理员把时限开到 $8s$，我这边好像没办法开这么大。
by 我好蒻呀 @ 2019-12-07 09:09:24
@[我好蒻呀](/user/20729) 公开赛请
by FZzzz @ 2019-12-07 09:13:27
没到紫题难度吧。。。
by y2823774827y @ 2019-12-07 09:56:46
@[y2823774827y](/user/88804) 我们给出的做法是哈希+倍增+树上SA+set，您有什么更优的做法欢迎提出来QAQ
by 我好蒻呀 @ 2019-12-07 10:32:16
@[我好蒻呀](/user/20729) 洛谷主题库不接受投题
by xht @ 2019-12-07 12:41:54