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	chenaijin	-	-	80 Bytes	2026-5-19 12:48:40
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-17 20:58:45
AC	yuziqian	-	-	80 Bytes	2026-5-20 12:33:29
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-20 13:25:55
AC	liusiyu	-	-	80 Bytes	2026-6-3 12:36:08
AC	liuhaoran	-	-	80 Bytes	2026-5-9 17:44:44
AC	cdh	-	-	80 Bytes	2026-6-2 13:49:07
AC	lzx_yyds_2015	-	-	80 Bytes	2026-5-21 16:51:30