@[神之子](/user/57755) 特判平方数
by Static_int @ 2022-06-27 15:23:34
@[Static_int](/user/731608) 能详细解释一下吗
by Happy_Orca @ 2022-06-27 15:25:38
过了，之前没特判不存在的情况
by Happy_Orca @ 2022-06-27 15:35:51