补充：60pts
by 天外来客 @ 2023-05-03 20:55:36
给你个Hack把
输入 ：5 55
输出：6
by SJH_qwq @ 2023-05-03 20:57:05
@[天外来客](/user/476812)
by SJH_qwq @ 2023-05-03 21:00:12
@[songjiahao_](/user/761125) 感谢
by 天外来客 @ 2023-05-03 21:02:33