[NOIP2002 普及组] 级数求和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	zengfj	17ms	800 KiB	C++11(O2)	194 Bytes	2023-11-17 14:22:08
AC	C22yangjinghan	23ms	740 KiB	C++11(O2)	234 Bytes	2024-8-5 21:41:58
AC	C23shiwei	24ms	808 KiB	C++11(O2)	165 Bytes	2024-8-8 7:52:58
AC	C23huangchengfu	24ms	732 KiB	C++11(O2)	192 Bytes	2024-8-5 20:27:09
AC	C22ouyangyuanqi	25ms	800 KiB	C++11(O2)	172 Bytes	2024-8-7 18:09:22