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	shumofan123	10ms	17.7 MiB	C++17	136 Bytes	2026-10-11 16:38:03
AC	lixiang123	11ms	17.7 MiB	C++17	106 Bytes	2026-9-27 14:42:43
AC	mzm	11ms	16.8 MiB	C++17	144 Bytes	2026-9-13 9:28:07
AC	cyx123	11ms	17.7 MiB	C++17	160 Bytes	2026-10-25 20:00:34
AC	czy123	12ms	17.7 MiB	C++17	136 Bytes	2026-10-6 8:30:29
AC	sjh123	12ms	17.7 MiB	C++17	138 Bytes	2026-10-17 14:32:22
AC	ljh123	12ms	16.8 MiB	C++17	123 Bytes	2026-9-13 18:15:51
AC	zdw123	12ms	16.8 MiB	C++17	150 Bytes	2026-9-13 9:46:22
AC	hch123	12ms	17.7 MiB	C++17	136 Bytes	2026-9-23 12:34:57
AC	zyc123	12ms	17.7 MiB	C++17	152 Bytes	2026-10-24 19:02:38
AC	lyx123	13ms	17.7 MiB	C++17	124 Bytes	2026-9-26 14:25:15
AC	daxiang	13ms	16.8 MiB	C++17	136 Bytes	2026-9-16 14:53:53
AC	wuyou123	14ms	17.7 MiB	C++17	136 Bytes	2026-9-20 19:34:05
AC	nzh123	15ms	17.7 MiB	C++17	120 Bytes	2026-10-6 9:16:32
AC	wmh123	163ms	16.8 MiB	Python 3	33 Bytes	2026-9-19 14:04:44