等差数列末项计算

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	maochengjun	35ms	740 KiB	C++14	185 Bytes	2025-7-9 11:43:35
AC	女乃龙	35ms	872 KiB	C++14(O2)	136 Bytes	2025-7-11 14:48:14
AC	若白	36ms	692 KiB	C++17(O2)	138 Bytes	2025-7-11 15:27:15
AC	曾彦彬contest	36ms	808 KiB	C++14(O2)	179 Bytes	2025-7-7 20:01:18
AC	陈国瑞	36ms	808 KiB	C++14(O2)	146 Bytes	2025-7-15 17:21:39
AC	_chjich_	39ms	812 KiB	C++14(O2)	167 Bytes	2025-7-11 9:34:58
AC	xzh13579	39ms	808 KiB	C++14(O2)	206 Bytes	2025-7-26 17:25:26