第2题-配置段合并与撤销维护

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CodeFune6e8d394f8	1649ms	45.8 MiB	Java	3.5 KiB	2025-9-5 17:54:19
AC	deyang	1650ms	46.4 MiB	Java	2.7 KiB	2025-9-8 16:03:52
AC	CodeFun65397fff63	1666ms	47.6 MiB	Java	3 KiB	2025-9-28 22:44:35
AC	CodeFuna33ad24532	1683ms	46.5 MiB	Java	3.1 KiB	2025-9-4 22:28:36
AC	shazhubadao	1723ms	46.6 MiB	Java	3 KiB	2025-10-3 21:24:05
AC	OutOfLove	1725ms	48.2 MiB	Java	1.5 KiB	2025-9-25 14:08:50
AC	CodeFun7442d96a72	1727ms	47.8 MiB	Java	3.6 KiB	2025-9-22 1:12:40
AC	CodeFun61e91b533a	1751ms	46.1 MiB	Java	2.8 KiB	2025-9-17 18:35:13
AC	弗思	1881ms	48.2 MiB	Java	2.8 KiB	2025-9-24 18:28:02
AC	CodeFun93874c9829	1942ms	49.6 MiB	Java	5.2 KiB	2025-9-6 21:00:47
AC	CodeFun403db279d5	1967ms	48.4 MiB	Java	2.8 KiB	2025-9-30 16:23:21
AC	CodeFun04afe20cfc	1969ms	49 MiB	Java	2.8 KiB	2025-9-24 14:49:16