【深基4.例9】[NOIP2002 普及组] 级数求和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	陈国瑞	15ms	760 KiB	C++14(O2)	239 Bytes	2025-7-17 13:42:38
AC	string_dbr	15ms	764 KiB	C++14(O2)	210 Bytes	2024-7-12 8:42:55
AC	_anguanie_	17ms	776 KiB	C++14(O2)	195 Bytes	2025-7-7 19:07:42
AC	z343151536	18ms	764 KiB	C++14	251 Bytes	2024-10-2 22:40:42