【例2.1】Hello World

状态	递交者	时间	内存	语言	代码	递交时间
AC	huangziqian	2ms	512 KiB	C++17(O2)	98 Bytes	2026-10-25 16:36:02
AC	chen	3ms	512 KiB	C++17(O2)	94 Bytes	2026-10-29 10:14:29
AC	xuziheng	3ms	536 KiB	C++17(O2)	99 Bytes	2026-10-25 16:36:41
AC	chuchunyi	3ms	512 KiB	C++17(O2)	117 Bytes	2026-10-25 16:36:01
AC	zhanglinyi	3ms	516 KiB	C++17(O2)	78 Bytes	2026-10-30 16:39:34
AC	mahaochen	3ms	512 KiB	C++17(O2)	98 Bytes	2026-10-25 16:40:56