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 16:08:14
AC	lizishan	-	-	111 Bytes	2025-12-3 21:08:41
AC	liangluoquan	-	-	111 Bytes	2025-10-30 13:32:30
AC	zhaochenxi	-	-	111 Bytes	2025-9-21 9:17:37
AC	xiongzimo	-	-	111 Bytes	2026-2-1 11:49:22
AC	wengzhaoyu8	-	-	111 Bytes	2026-3-12 16:51:30
AC	weizhichen	-	-	111 Bytes	2025-9-23 14:06:12
AC	zhouzixuan	-	-	111 Bytes	2026-3-8 17:19:29
AC	chenxiaojun	-	-	111 Bytes	2026-3-10 22:09:19
AC	liuhaoyu	-	-	111 Bytes	2025-9-11 20:38:58
AC	zhangziheng	-	-	111 Bytes	2026-3-2 13:33:32