【例4.2】天安门广场的面积

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	heqianrui123	3ms	536 KiB	C++11(O2)	78 Bytes	2025-1-16 21:52:52
AC	wangyizhuo	3ms	320 KiB	C++11(O2)	99 Bytes	2025-2-16 21:39:28
AC	guoxinglin	3ms	764 KiB	C++11(O2)	75 Bytes	2025-2-14 17:05:59
AC	wangjingyi	3ms	768 KiB	C++11(O2)	92 Bytes	2025-1-5 12:12:50
AC	gaoyuchen	3ms	536 KiB	C++11(O2)	97 Bytes	2024-12-28 19:16:50
AC	songchengxiao	3ms	768 KiB	C++11(O2)	120 Bytes	2025-1-20 18:13:53