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	2026-5-20 12:33:12
AC	wengzhaoyu8	-	-	71 Bytes	2026-5-9 17:42:35
AC	yuziqian	-	-	71 Bytes	2026-5-9 17:26:33
AC	zhengkaiyang666	-	-	71 Bytes	2026-5-12 12:16:06
AC	zhangyi	-	-	71 Bytes	2026-6-2 13:13:14
AC	liusiyu	-	-	71 Bytes	2026-6-2 13:55:26
AC	liuhaoran	-	-	71 Bytes	2026-5-11 12:23:36
AC	cdh	-	-	71 Bytes	2026-6-2 17:10:31
AC	lzx_yyds_2015	-	-	71 Bytes	2026-6-2 17:07:02