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 12:41:31
AC	wengzhaoyu8	-	-	80 Bytes	2026-5-18 13:45:51
AC	yuziqian	-	-	80 Bytes	2026-5-19 13:20:50
AC	zhengkaiyang666	-	-	80 Bytes	2026-5-11 13:51:08
AC	liusiyu	-	-	80 Bytes	2026-6-4 13:16:57
AC	liuhaoran	-	-	80 Bytes	2026-5-11 13:15:59
AC	cdh	-	-	80 Bytes	2026-6-3 12:29:41