输出保留 3 位小数的浮点数

状态	递交者	时间	内存	语言	代码	递交时间
AC	伏修辰	31ms	808 KiB	C++98	110 Bytes	2025-12-8 20:13:12
AC	徐嘉骏	31ms	808 KiB	C++98	124 Bytes	2025-12-5 17:00:21
AC	黄天泽	31ms	712 KiB	C++98	140 Bytes	2025-12-23 15:41:13
AC	李一诺	32ms	732 KiB	C++98	144 Bytes	2025-12-6 11:04:38
AC	储尚泽	32ms	808 KiB	C++14(O2)	137 Bytes	2025-12-28 15:21:01
AC	冯乾皓	34ms	812 KiB	C++98	130 Bytes	2025-12-5 17:29:25
AC	周若一	34ms	696 KiB	C++14(O2)	153 Bytes	2025-12-12 19:38:46
AC	王天赐	35ms	724 KiB	C++14	139 Bytes	2025-11-7 18:58:55
AC	陆俣浩	35ms	808 KiB	C++14	148 Bytes	2025-10-19 18:35:32
AC	乐铭轩	35ms	808 KiB	C++98	248 Bytes	2025-12-29 21:14:07
AC	陆钰凡	35ms	752 KiB	C++17	172 Bytes	2025-12-22 21:36:31
AC	刘裕	35ms	812 KiB	C++98(O2)	122 Bytes	2025-11-14 21:46:16
AC	陆俊瑾	35ms	708 KiB	C++98	122 Bytes	2025-12-24 20:10:28
AC	郑彩银	36ms	816 KiB	C++98	129 Bytes	2025-11-30 11:58:59
AC	赵传硕	36ms	808 KiB	C++98	160 Bytes	2025-11-18 21:32:35
AC	李骏熙	37ms	812 KiB	C++98	104 Bytes	2025-11-28 15:41:51
AC	冯熙宁	37ms	876 KiB	C++14	137 Bytes	2025-12-20 14:39:52
AC	赵殷锐	38ms	816 KiB	C++98	149 Bytes	2025-10-21 20:25:33
AC	许子灵	39ms	908 KiB	C++14	152 Bytes	2025-10-28 19:23:24
AC	吴语沐	39ms	808 KiB	C++14(O2)	141 Bytes	2025-11-30 16:57:10
AC	惠子骞	39ms	852 KiB	C++98	107 Bytes	2025-11-30 9:23:49
AC	wk2-bsy	40ms	812 KiB	C++14	148 Bytes	2025-11-27 21:14:15
AC	胡景云	40ms	740 KiB	C++11	135 Bytes	2025-12-2 19:26:30
AC	牛思睿	40ms	808 KiB	C++11	147 Bytes	2025-12-1 21:24:45
AC	葛思豪	40ms	852 KiB	C++14	116 Bytes	2026-1-7 23:02:44
AC	薛轶天	40ms	812 KiB	C++14(O2)	137 Bytes	2026-1-4 21:53:12