编程求1+2+3+4...+n

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	jianghaoyan	5ms	9 MiB	C++98	118 Bytes	2024-10-6 11:58:49
AC	baoyufu	5ms	9 MiB	C++98	122 Bytes	2025-1-18 14:47:12
AC	heliangyu	5ms	9 MiB	C++98	122 Bytes	2024-8-11 11:11:54
AC	jiangxingxing	5ms	9 MiB	C++98	122 Bytes	2024-11-23 14:52:30
AC	huangyuhan	5ms	9 MiB	C++20(O2)	111 Bytes	2024-11-9 19:09:44
AC	wangyuxiang	5ms	9 MiB	C++98	123 Bytes	2024-9-20 19:20:32
AC	liuhaoqi	6ms	9 MiB	C++98	122 Bytes	2024-10-6 11:52:00
AC	huangshengfeng	11ms	9 MiB	C++98	122 Bytes	2025-4-3 17:18:49