等差数列末项计算

状态	递交者	时间	内存	语言	代码	递交时间
AC	Bedrock_Maker	25ms	512 KiB	C++14	227 Bytes	2024-6-26 11:14:27
AC	Kathy Vale	25ms	384 KiB	C++14	145 Bytes	2024-6-27 18:49:05
AC	CaoZH	27ms	384 KiB	C++14	132 Bytes	2024-6-26 19:47:48
AC	QwQ_Automation	27ms	512 KiB	C++14	832 Bytes	2024-6-26 11:04:07
AC	13163	28ms	384 KiB	C++14	133 Bytes	2024-6-26 11:45:57
AC	leomaster	30ms	384 KiB	C++14	186 Bytes	2024-6-27 9:49:38