练28.1 多边形内角和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	dennisxu	23ms	552 KiB	C++20	252 Bytes	2025-11-2 13:03:17
AC	askaguo	25ms	552 KiB	C++98	207 Bytes	2025-11-22 8:40:17
AC	raycao	25ms	532 KiB	C++20(O2)	211 Bytes	2025-9-27 9:40:08
AC	hankli	28ms	556 KiB	C++20	224 Bytes	2025-9-29 20:22:06