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 12:50:24
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-17 21:03:29
AC	yuziqian	-	-	80 Bytes	2026-5-20 13:24:47
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-20 13:29:30
AC	liusiyu	-	-	80 Bytes	2026-6-2 17:42:46
AC	liuhaoran	-	-	80 Bytes	2026-5-9 17:43:23
AC	cdh	-	-	80 Bytes	2026-6-2 13:47:34
AC	lzx_yyds_2015	-	-	80 Bytes	2026-5-21 17:20:01