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 12:32:48
AC	wengzhaoyu8	-	-	71 Bytes	2026-5-9 17:31:53
AC	yuziqian	-	-	71 Bytes	2026-5-9 17:26:07
AC	zhengkaiyang666	-	-	71 Bytes	2026-5-11 13:38:27
AC	zhangyi	-	-	71 Bytes	2026-6-2 13:13:55
AC	liusiyu	-	-	71 Bytes	2026-6-2 13:54:55
AC	zhangxin	-	-	71 Bytes	2026-5-21 17:26:58
AC	liuhaoran	-	-	71 Bytes	2026-5-9 17:32:23
AC	cdh	-	-	71 Bytes	2026-6-2 13:44:04
AC	lzx_yyds_2015	-	-	71 Bytes	2026-6-2 17:06:29