【例】浮点数的格式化输入输出

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	18848484469	12ms	6 MiB	C++14(O2)	178 Bytes	2024-7-1 9:42:49
AC	DH-ZYL	13ms	6 MiB	C++14(O2)	185 Bytes	2024-9-28 19:59:38
AC	eva	14ms	6 MiB	C++14(O2)	179 Bytes	2024-9-28 20:01:27
AC	乐思尧	15ms	6.3 MiB	C++14(O2)	179 Bytes	2025-3-16 13:50:32
AC	赵梓源	16ms	6.3 MiB	C++14(O2)	181 Bytes	2025-3-15 13:47:24
AC	程裕澍	17ms	6.3 MiB	C++14(O2)	180 Bytes	2025-3-15 13:48:10
AC	周驭准	20ms	6.2 MiB	C++14(O2)	166 Bytes	2024-11-29 20:26:53
AC	白骏锋	25ms	6.1 MiB	C++14(O2)	172 Bytes	2024-9-15 10:31:08
AC	钱宇宸	26ms	5.9 MiB	C++14(O2)	180 Bytes	2024-8-14 16:28:23
AC	坤坤	33ms	6 MiB	C++14(O2)	178 Bytes	2024-8-29 12:02:29
AC	鸟嘴医生	36ms	6 MiB	C++14(O2)	168 Bytes	2024-9-5 14:20:17