【例37.2】求分数序列和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	朱子轩	26ms	760 KiB	C++98	226 Bytes	2025-10-9 16:49:13
AC	庞少卿	27ms	524 KiB	C++98	293 Bytes	2025-11-6 17:12:11
AC	李文茵	27ms	760 KiB	C++98	204 Bytes	2025-12-2 10:09:39
AC	张若煊	28ms	760 KiB	C++98	197 Bytes	2025-11-24 19:04:07