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 12:49:22
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-17 20:59:15
AC	yuziqian	-	-	80 Bytes	2026-5-20 12:38:15
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-20 13:26:41
AC	liusiyu	-	-	80 Bytes	2026-6-3 12:37:04
AC	liuhaoran	-	-	80 Bytes	2026-5-9 17:44:20
AC	cdh	-	-	80 Bytes	2026-6-2 13:49:32
AC	lzx_yyds_2015	-	-	80 Bytes	2026-5-21 17:18:30