【例4.2】天安门广场的面积

状态	递交者	时间	内存	语言	代码	递交时间
AC	Unknown User	3ms	508 KiB	C++14(O2)	133 Bytes	2025-12-29 20:55:41
AC	Unknown User	3ms	504 KiB	C++14	89 Bytes	2025-5-29 23:10:46
AC	Unknown User	3ms	536 KiB	C++14(O2)	96 Bytes	2025-9-12 16:07:30
AC	Unknown User	3ms	504 KiB	C++17(O2)	96 Bytes	2025-12-28 22:32:10
AC	Unknown User	3ms	768 KiB	C++98	144 Bytes	2024-7-10 20:40:26
AC	Unknown User	3ms	536 KiB	C++98	93 Bytes	2024-7-8 23:28:16
AC	Unknown User	3ms	504 KiB	C++14(O2)	95 Bytes	2026-1-4 20:43:11
AC	Unknown User	3ms	504 KiB	C++14(O2)	103 Bytes	2025-7-4 9:57:14
AC	Unknown User	3ms	508 KiB	C++14(O2)	100 Bytes	2025-12-29 21:10:22
AC	Unknown User	3ms	504 KiB	C++14(O2)	92 Bytes	2026-1-1 20:12:14