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 12:53:23
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-17 21:08:29
AC	yuziqian	-	-	80 Bytes	2026-5-20 13:31:10
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-20 13:30:34
AC	liusiyu	-	-	80 Bytes	2026-6-3 12:38:35
AC	liuhaoran	-	-	80 Bytes	2026-5-9 17:47:52
AC	cdh	-	-	80 Bytes	2026-6-2 13:51:13
AC	lzx_yyds_2015	-	-	80 Bytes	2026-5-21 17:24:36