@[feecle6418](/user/42156)
by lzytag @ 2023-08-17 16:36:19
@[lzytag](/user/310317) 真的不是m<=n吗？《n<=m》
by chengcheng567 @ 2023-08-17 16:52:00
@[chengcheng567](/user/371898) 啊我傻掉了，是 $1\le m \le n \le 10^5$
by lzytag @ 2023-08-17 17:21:17