等差数列末项计算

Status	Submit By	Time	Memory	Code	Submit At
AC	cxy01	14ms	404 KiB	160 Bytes	2023-3-18 10:25:15
AC	sky	14ms	384 KiB	208 Bytes	2023-3-18 9:04:18
AC	AWM	14ms	384 KiB	153 Bytes	2023-3-18 10:22:04
AC	李睿瞳	14ms	384 KiB	136 Bytes	2023-3-18 10:20:19
AC	AWM	14ms	392 KiB	153 Bytes	2023-3-18 10:22:02
AC	李旻轩	14ms	384 KiB	162 Bytes	2023-3-18 10:10:32
AC	曹雅萱	14ms	384 KiB	156 Bytes	2023-3-18 10:20:58
AC	丁鲲龙	14ms	392 KiB	165 Bytes	2023-3-18 10:11:45
AC	ych	14ms	384 KiB	156 Bytes	2023-3-18 10:25:40
AC	wby	15ms	384 KiB	197 Bytes	2023-4-6 20:30:52
AC	谢润轩	15ms	432 KiB	148 Bytes	2023-3-18 10:06:37
AC	666hlz666	15ms	384 KiB	172 Bytes	2023-3-18 10:25:48
AC	高敏睿	15ms	384 KiB	154 Bytes	2023-3-18 10:23:02
AC	贾博涵	19ms	512 KiB	157 Bytes	2023-3-18 23:23:09