练20.3 开灯关灯

状态	递交者	时间	内存	语言	代码	递交时间
AC	u26045	1ms	256 KiB	C	126 Bytes	2026-11-8 9:12:31
AC	u26002	1ms	256 KiB	C	137 Bytes	2026-10-15 16:23:30
AC	u26047	1ms	256 KiB	C	109 Bytes	2026-10-22 16:59:38
AC	u2605	2ms	512 KiB	C++98	160 Bytes	2026-4-5 21:56:40
AC	u26028	2ms	512 KiB	C++98	115 Bytes	2026-10-30 18:39:57
AC	u2607	3ms	512 KiB	C++98	143 Bytes	2026-4-13 19:50:59
AC	u2604	3ms	512 KiB	C++11(O2)	90 Bytes	2026-4-21 19:50:16
AC	u2608	3ms	512 KiB	C++98	185 Bytes	2026-5-1 19:37:48
AC	u2606	3ms	512 KiB	C++11	169 Bytes	2026-7-17 0:10:28
AC	u2616	3ms	768 KiB	C++14	195 Bytes	2026-7-28 16:55:46