【例2.1】Hello World（临时练习专用）

状态	递交者	时间	内存	语言	代码	递交时间
AC	UID 70	21ms	6.4 MiB	C++14(O2)	84 Bytes	2025-10-21 17:31:32
AC	UID 78	22ms	6.4 MiB	C++14(O2)	98 Bytes	2025-11-13 16:33:33
AC	UID 72	22ms	6.4 MiB	C++14(O2)	108 Bytes	2025-12-23 17:25:44
AC	UID 71	23ms	6.4 MiB	C++14(O2)	98 Bytes	2025-12-24 22:13:05
AC	UID 71	23ms	6.4 MiB	C++14(O2)	108 Bytes	2025-10-25 23:50:18
AC	huanghaoran	23ms	6.4 MiB	C++14(O2)	101 Bytes	2025-12-7 21:54:44
AC	UID 76	23ms	6.4 MiB	C++14(O2)	95 Bytes	2025-11-13 16:30:44
AC	UID 71	27ms	6.4 MiB	C++14(O2)	108 Bytes	2025-12-8 21:55:11

统计