【例7.1】保留3位小数

状态	递交者	时间	内存	语言	代码	递交时间
AC	sjh123	13ms	17.7 MiB	C++17	137 Bytes	2026-10-17 14:24:15
AC	lixiang123	13ms	17.7 MiB	C++17	104 Bytes	2026-9-27 14:35:19
AC	shumofan123	13ms	17.7 MiB	C++17	135 Bytes	2026-10-11 16:15:05
AC	daxiang	13ms	16.8 MiB	C++17	135 Bytes	2026-9-10 17:33:25
AC	zyc123	13ms	17.7 MiB	C++17	166 Bytes	2026-10-17 18:42:50
AC	czy123	13ms	16.8 MiB	C++17	149 Bytes	2026-9-13 9:56:47
AC	nmf123	14ms	17.7 MiB	C++17	102 Bytes	2026-10-6 14:32:35
AC	cyx123	14ms	17.7 MiB	C++20	160 Bytes	2026-10-17 11:37:49
AC	wuyou123	14ms	16.8 MiB	C++17	149 Bytes	2026-9-19 9:45:38
AC	zdw123	14ms	16.8 MiB	C++17	149 Bytes	2026-9-13 9:30:36
AC	ljh123	15ms	16.8 MiB	C++17	122 Bytes	2026-9-13 18:06:17
AC	lyx123	15ms	17.7 MiB	C++17	123 Bytes	2026-9-26 14:17:32
AC	yaoyao123	15ms	17.7 MiB	C++17	135 Bytes	2026-9-20 21:23:17
AC	mzm	15ms	16.8 MiB	C++17	143 Bytes	2026-9-13 9:25:30
AC	hch123	15ms	17.7 MiB	C++17	134 Bytes	2026-9-22 18:08:52
AC	nzh123	19ms	17.7 MiB	C++17	107 Bytes	2026-10-6 9:15:04
AC	wmh123	188ms	16.8 MiB	Python 3	32 Bytes	2026-9-18 18:41:11