【例37.2】求分数序列和

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Harry	15ms	760 KiB	C++14	368 Bytes	2025-8-6 18:28:04
AC	胡宇翔xly2025	25ms	504 KiB	C++14(O2)	240 Bytes	2025-7-9 19:53:05
AC	姚胜蓝	25ms	508 KiB	C++14(O2)	341 Bytes	2025-7-9 10:34:17
AC	taoruiguo120	26ms	760 KiB	C++14	304 Bytes	2025-7-30 16:39:20
AC	w20120404	26ms	508 KiB	C++14(O2)	290 Bytes	2025-8-4 23:54:51
AC	许家畅xly2025	26ms	508 KiB	C++14(O2)	229 Bytes	2025-7-10 10:39:30
AC	王冠楠xly2025	27ms	508 KiB	C++14(O2)	249 Bytes	2025-7-10 9:38:51
AC	tianlangyufirst	27ms	508 KiB	C++17(O2)	520 Bytes	2025-7-9 16:42:38
AC	何庭杨xly2025	27ms	760 KiB	C++14(O2)	323 Bytes	2025-8-2 21:47:32
AC	张叶朵	27ms	508 KiB	C++14(O2)	242 Bytes	2025-7-24 10:30:20
AC	王鸿畅xly2025	28ms	592 KiB	C++14(O2)	287 Bytes	2025-7-11 20:26:14
AC	卢皓禹xly2025	28ms	764 KiB	C++14(O2)	321 Bytes	2025-7-26 16:55:19
AC	xzh13579	30ms	504 KiB	C++14(O2)	327 Bytes	2025-7-9 12:48:16