求平均年龄

Status	Submit By	Time	Memory	Code	Submit At
AC	summer23041	61ms	812 KiB	199 Bytes	2023-10-5 16:39:00
AC	BC20260311	61ms	804 KiB	341 Bytes	2023-12-26 16:37:05
AC	BC20260349	61ms	840 KiB	247 Bytes	2024-1-1 18:47:42
AC	CC20260060	63ms	808 KiB	177 Bytes	2023-11-12 8:31:16
AC	BC20270025	80ms	804 KiB	218 Bytes	2025-1-17 20:48:21
AC	BC20260085	82ms	844 KiB	242 Bytes	2024-5-13 13:18:01
AC	C20250070	83ms	808 KiB	233 Bytes	2024-5-18 11:45:08
AC	BC20260080	84ms	796 KiB	352 Bytes	2024-4-11 23:43:54