计算班级总分

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	heliangyu	3ms	9 MiB	C++98	199 Bytes	2025-1-18 10:12:57
AC	liuhaoqi	3ms	9 MiB	C++98	178 Bytes	2025-1-18 10:14:26
AC	jiangxingxing	6ms	9.1 MiB	C++98	183 Bytes	2025-5-31 11:58:31
AC	luyixin	6ms	9.1 MiB	C++98	152 Bytes	2025-5-31 11:56:57