【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	zhangpeng	8ms	536 KiB	C++11	121 Bytes	2025-3-2 19:57:11
AC	2021021	8ms	540 KiB	C++11(O2)	116 Bytes	2025-3-3 21:20:06
AC	诺诺	8ms	544 KiB	C++11(O2)	146 Bytes	2024-12-12 16:55:12
AC	lilingjun11	8ms	556 KiB	C++11(O2)	133 Bytes	2025-1-2 17:07:50
AC	77510552	9ms	536 KiB	C++11	136 Bytes	2024-11-27 20:23:06
AC	lzy41	9ms	536 KiB	C++11(O2)	132 Bytes	2024-12-12 16:48:37
AC	gaoyutao2024	10ms	536 KiB	C++98	135 Bytes	2024-11-19 15:30:48
AC	lc24	10ms	536 KiB	C++11	115 Bytes	2024-10-26 13:45:14