单选题（每题 2 分，共 30 分）

状态	递交者	时间	内存	代码	递交时间
AC	zhaotongyu	-	-	111 Bytes	2026-2-9 15:54:51
AC	lizishan	-	-	111 Bytes	2025-9-14 17:21:49
AC	lphao	-	-	111 Bytes	2026-1-24 11:20:39
AC	zhaochenxi	-	-	111 Bytes	2025-9-20 9:24:35
AC	xiongzimo	-	-	111 Bytes	2026-2-3 16:00:34
AC	luozibo	-	-	111 Bytes	2025-9-16 21:34:48
AC	weihaotong	-	-	111 Bytes	2026-2-1 11:43:28
AC	zhangchenrui	-	-	111 Bytes	2025-9-24 17:54:28
AC	zhangyongpei	-	-	111 Bytes	2025-12-26 19:01:02
AC	weizhichen	-	-	111 Bytes	2025-9-21 9:45:44
AC	liuhaoyu	-	-	111 Bytes	2025-9-10 19:00:56