判断题（每题 2 分，共 20 分）

状态	递交者	时间	内存	代码	递交时间
AC	zhaotongyu	-	-	71 Bytes	2026-2-3 11:52:47
AC	chentong	-	-	71 Bytes	2026-2-4 11:57:10
AC	liangluoquan	-	-	71 Bytes	2025-11-11 13:29:20
AC	xiongzimo	-	-	71 Bytes	2025-9-13 17:52:08
AC	zhangchenrui	-	-	71 Bytes	2026-2-5 11:50:50
AC	weizhichen	-	-	71 Bytes	2025-9-26 18:29:47
AC	chenchiyu	-	-	71 Bytes	2026-2-4 14:31:59
AC	chenxiaojun	-	-	71 Bytes	2026-2-10 14:51:22
AC	liuhaoyu	-	-	71 Bytes	2025-9-15 21:32:12
AC	zhangziheng	-	-	71 Bytes	2025-12-31 13:35:49