升降序列问题

状态	递交者	时间	内存	语言	代码	递交时间
AC	luoyi	233ms	1.1 MiB	C++14(O2)	303 Bytes	2026-1-8 13:00:17
AC	chenaijin	235ms	1.3 MiB	C++14(O2)	353 Bytes	2026-1-2 22:37:36
AC	panziyang	237ms	864 KiB	C++14(O2)	302 Bytes	2026-1-3 10:03:30
AC	yuzirui	238ms	836 KiB	C++14(O2)	281 Bytes	2026-1-1 15:01:09
AC	youjianhui	243ms	820 KiB	C++14(O2)	355 Bytes	2025-9-20 10:45:03
AC	lantianlang	247ms	972 KiB	C++14(O2)	278 Bytes	2025-12-14 16:34:05
AC	liangluoquan	259ms	1.1 MiB	C++14(O2)	293 Bytes	2026-1-8 13:04:04
AC	chenqianyu	263ms	976 KiB	C++14(O2)	309 Bytes	2025-12-17 21:33:00
AC	xiaozhan	274ms	880 KiB	C++14(O2)	335 Bytes	2025-9-20 11:00:58