求整数的和与均值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	刘喻蔓	18ms	688 KiB	C++14(O2)	267 Bytes	2025-8-9 10:28:04
AC	若白	20ms	808 KiB	C++17(O2)	2.3 KiB	2025-7-7 19:16:19
AC	曾彦彬contest	21ms	760 KiB	C++14(O2)	222 Bytes	2025-7-11 15:39:11
AC	maochengjun	21ms	808 KiB	C++14	267 Bytes	2025-7-9 14:08:30
AC	xzh13579	21ms	808 KiB	C++14(O2)	298 Bytes	2025-8-5 20:42:46
AC	女乃龙	21ms	812 KiB	C++14(O2)	267 Bytes	2025-7-11 15:07:56
AC	_chjich_	22ms	808 KiB	C++14(O2)	240 Bytes	2025-7-11 9:46:11
AC	陈国瑞	22ms	688 KiB	C++14(O2)	250 Bytes	2025-7-15 17:27:02