保留12位小数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	l (410刘梓州)	20ms	23.3 MiB	Python 3	41 Bytes	2026-5-25 15:23:32
AC	张芮嘉初一410	21ms	23.3 MiB	Python 3	39 Bytes	2026-5-25 15:18:22
AC	406巴彦霓	21ms	23.3 MiB	Python 3	39 Bytes	2026-5-25 15:28:40
AC	初一407刘宵瑞	21ms	23.3 MiB	Python 3	45 Bytes	2026-5-19 17:20:20
AC	赵梓硕	21ms	23.3 MiB	Python 3	37 Bytes	2026-5-25 15:23:42
AC	410李皓立	24ms	23.3 MiB	Python 3	39 Bytes	2026-5-25 15:40:50
AC	412 金浩泽	25ms	23.3 MiB	Python 3	37 Bytes	2026-5-25 15:12:32
AC	初一406班曹欢	27ms	23.3 MiB	Python 3	37 Bytes	2026-5-20 12:16:11