求阶乘的和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李锦华	34ms	808 KiB	C++14(O2)	248 Bytes	2025-9-25 20:55:42
AC	_chjich_	35ms	728 KiB	C++14(O2)	191 Bytes	2025-7-15 16:58:27
AC	陈国瑞	35ms	804 KiB	C++14(O2)	1.9 KiB	2025-7-15 18:31:55
AC	xzh13579	36ms	852 KiB	C++14(O2)	355 Bytes	2025-9-7 12:09:54
AC	杨茗涵2026dly	39ms	852 KiB	C++14(O2)	188 Bytes	2026-2-22 11:08:08