@[chen_zhe](/user/8457) @[minstdfx](/user/100250) @[小粉兔](/user/10703)
by I_am_Accepted @ 2022-07-11 19:29:26
对了倒数第二组输出 15（漏给了）。
by I_am_Accepted @ 2022-07-11 19:51:19
帮你 @[离散小波变换°](/user/68344)
by minstdfx @ 2022-07-12 11:19:49
@[minstdfx](/user/100250) 感谢
by I_am_Accepted @ 2022-07-12 21:27:10
@[I_am_Accepted](/user/101868) 已添加 hack 并撤下部分题解，感谢您的贡献
by 小粉兔 @ 2022-08-19 23:00:19