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 12:47:18
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-17 20:55:00
AC	yuziqian	-	-	80 Bytes	2026-5-20 12:32:06
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-20 13:23:41
AC	liusiyu	-	-	80 Bytes	2026-6-2 17:43:36
AC	liuhaoran	-	-	80 Bytes	2026-5-9 17:41:52
AC	cdh	-	-	80 Bytes	2026-6-2 13:48:08
AC	lzx_yyds_2015	-	-	80 Bytes	2026-5-21 16:49:57