求n到m的和

状态	递交者	时间	内存	代码	递交时间
AC	zhuxiayu	5ms	6.8 MiB	203 Bytes	2023-10-21 18:51:48
AC	zhangyueran23017	5ms	6.8 MiB	181 Bytes	2023-10-21 18:47:41
AC	胡唯轶	5ms	6.8 MiB	156 Bytes	2023-10-21 18:51:37
AC	yuchenyi23017	5ms	7 MiB	172 Bytes	2023-10-20 20:38:59
AC	zhs23017	5ms	6.8 MiB	148 Bytes	2023-10-21 18:54:32
AC	hezhihui	5ms	6.8 MiB	144 Bytes	2023-10-21 18:41:59
AC	liuyuanxi23017	5ms	6.8 MiB	176 Bytes	2023-10-21 19:05:38
AC	王健沣23017	5ms	6.8 MiB	173 Bytes	2023-10-21 18:48:32
AC	zyp	5ms	6.9 MiB	297 Bytes	2023-10-21 18:37:45
AC	zhangyueran23017	6ms	6.8 MiB	181 Bytes	2023-10-21 18:46:53
AC	zhuyumin23017	6ms	6.8 MiB	191 Bytes	2023-10-21 18:46:22
AC	袁伟宸23025	6ms	6.8 MiB	189 Bytes	2023-10-19 19:39:20