练7.2 保留12位小数

状态	递交者	时间	内存	语言	代码	递交时间
AC	rc246fengxiang1	26ms	764 KiB	C++17(O2)	124 Bytes	2024-3-7 20:11:09
AC	rc244wangjiayou1	27ms	540 KiB	C++17(O2)	113 Bytes	2024-6-10 20:06:32
AC	taotao1	27ms	536 KiB	C++17(O2)	181 Bytes	2024-7-17 15:43:10
AC	ws247longzhelin1	27ms	764 KiB	C++17(O2)	127 Bytes	2024-5-15 18:17:12
AC	rc246dujinning1	28ms	768 KiB	C++17(O2)	118 Bytes	2024-3-21 23:02:20
AC	2023qiuzijing1	28ms	764 KiB	C++17(O2)	130 Bytes	2024-8-16 11:48:03
AC	rc246baochongwei1	28ms	768 KiB	C++17(O2)	115 Bytes	2024-3-18 19:04:08
AC	2023huangjiaxi1	29ms	764 KiB	C++17(O2)	123 Bytes	2024-6-11 17:00:23
AC	rc245fengwenjie1	29ms	768 KiB	C++17(O2)	131 Bytes	2024-9-10 21:20:47