【例14.2】四舍六入五留双

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	chengweisun	22ms	528 KiB	C++20(O2)	139 Bytes	2025-6-2 11:47:30
AC	pipitali	22ms	540 KiB	C++20(O2)	119 Bytes	2025-6-14 8:58:31
AC	sandycheng	22ms	552 KiB	C++20(O2)	148 Bytes	2025-6-14 13:56:33
AC	ethanlin	23ms	548 KiB	C++98	140 Bytes	2025-6-14 9:00:43
AC	moonfu	23ms	528 KiB	C++20(O2)	138 Bytes	2025-6-14 8:58:09
AC	johnli	23ms	524 KiB	C++20(O2)	119 Bytes	2025-6-14 8:59:40
AC	allenyang	24ms	548 KiB	C++20(O2)	127 Bytes	2025-6-14 13:44:15
AC	hankli	24ms	512 KiB	C++20	411 Bytes	2025-6-14 8:58:55
AC	raycao	24ms	556 KiB	C++20(O2)	139 Bytes	2025-6-14 13:43:45
AC	liangu	24ms	548 KiB	C++20(O2)	139 Bytes	2025-6-14 13:47:46
AC	adamtan	25ms	536 KiB	C++20(O2)	132 Bytes	2025-6-14 8:58:06