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	2026-2-11 13:32:46
AC	chentong	-	-	111 Bytes	2025-12-13 14:59:11
AC	zhanghongyi	-	-	111 Bytes	2025-9-14 15:28:56
AC	xiongzimo	-	-	111 Bytes	2025-12-13 14:24:41
AC	zhangchenrui	-	-	111 Bytes	2026-2-5 10:50:31
AC	zhangyuqi666	-	-	111 Bytes	2025-9-20 9:32:34
AC	boluo	-	-	111 Bytes	2026-1-31 16:02:03
AC	weizhichen	-	-	111 Bytes	2025-9-26 18:53:06
AC	fangliangxin	-	-	111 Bytes	2026-1-31 16:04:45
AC	chenchiyu	-	-	111 Bytes	2026-1-31 16:02:43
AC	chenxiaojun	-	-	111 Bytes	2026-2-7 15:37:36
AC	root	-	-	111 Bytes	2025-11-2 11:27:25
AC	liuhaoyu	-	-	111 Bytes	2025-9-15 21:26:00