【例14.1】输出浮点数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	chengweisun	21ms	576 KiB	C++98(O2)	188 Bytes	2025-6-2 11:04:43
AC	allenyang	23ms	524 KiB	C++20(O2)	210 Bytes	2025-6-14 13:35:41
AC	stevexiong	23ms	548 KiB	C++98	344 Bytes	2025-10-4 10:27:38
AC	jerryhu	23ms	548 KiB	C++98	184 Bytes	2025-11-8 9:18:35
AC	sandycheng	23ms	540 KiB	C++20(O2)	249 Bytes	2025-6-14 13:54:26
AC	liangu	24ms	540 KiB	C++20(O2)	246 Bytes	2025-6-14 13:51:43
AC	hankli	25ms	756 KiB	C++20	470 Bytes	2025-9-20 9:44:00
AC	raycao	25ms	548 KiB	C++20(O2)	248 Bytes	2025-6-14 13:34:25