练26.3 求平均年龄

状态	递交者	时间	内存	语言	代码	递交时间
AC	UID 95	5ms	504 KiB	C++14(O2)	261 Bytes	2026-1-6 16:52:56
AC	MysGln	5ms	508 KiB	C++14(O2)	438 Bytes	2026-1-6 17:15:11
AC	UID 89	5ms	504 KiB	C++14(O2)	279 Bytes	2025-12-30 17:36:24
AC	UID 97	6ms	760 KiB	C++14(O2)	274 Bytes	2025-12-30 17:36:37
AC	UID 91	6ms	504 KiB	C++14(O2)	254 Bytes	2025-12-30 17:35:46
AC	UID 89	6ms	760 KiB	C++14(O2)	279 Bytes	2025-12-30 17:36:12
AC	MysGln	6ms	504 KiB	C++14(O2)	290 Bytes	2025-12-30 17:30:46