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	-	-	71 Bytes	2026-5-19 12:44:48
AC	wengzhaoyu8	-	-	71 Bytes	2026-5-17 20:48:59
AC	yuziqian	-	-	71 Bytes	2026-5-19 12:53:33
AC	zhengkaiyang666	-	-	71 Bytes	2026-5-20 13:17:53
AC	liusiyu	-	-	71 Bytes	2026-6-2 17:07:26
AC	liuhaoran	-	-	71 Bytes	2026-5-9 17:37:46
AC	cdh	-	-	71 Bytes	2026-6-2 17:11:04
AC	lzx_yyds_2015	-	-	71 Bytes	2026-5-21 15:50:36