【例16.1】判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	lucaswu	21ms	520 KiB	C++98	174 Bytes	2025-11-8 9:20:00
AC	dangzhouyang	22ms	548 KiB	C++98(O2)	178 Bytes	2025-11-8 9:47:47
AC	alicexie	22ms	696 KiB	C++98(O2)	195 Bytes	2025-11-9 17:50:10
AC	estellawang	22ms	552 KiB	C++98	158 Bytes	2025-11-9 16:51:35
AC	justinwu	22ms	552 KiB	C++98	225 Bytes	2025-11-9 21:31:47
AC	haijingwen	22ms	520 KiB	C++20(O2)	177 Bytes	2025-11-8 9:20:54
AC	chengweisun	22ms	512 KiB	C++20(O2)	182 Bytes	2025-6-2 22:44:41
AC	kylezhong	22ms	552 KiB	C++98	228 Bytes	2025-11-9 17:21:02
AC	carlosduan	22ms	552 KiB	C++20	164 Bytes	2025-11-8 20:22:28
AC	raycao	22ms	552 KiB	C++20(O2)	182 Bytes	2025-9-15 19:44:29
AC	simonzhang	23ms	556 KiB	C++98	178 Bytes	2025-11-9 17:41:08
AC	frankzhao	23ms	580 KiB	C++20(O2)	140 Bytes	2025-11-13 20:34:42
AC	timmyxiao	23ms	548 KiB	C++20(O2)	196 Bytes	2025-11-9 16:49:50
AC	tobytao	23ms	552 KiB	C++20(O2)	183 Bytes	2025-11-20 20:43:57
AC	freyazhou	23ms	576 KiB	C++98	184 Bytes	2025-11-16 10:18:05
AC	bowenzhang	23ms	552 KiB	C++20(O2)	183 Bytes	2025-11-8 9:08:47
AC	simberwang	23ms	548 KiB	C++20(O2)	168 Bytes	2025-11-23 16:08:26
AC	reginazhang	23ms	552 KiB	C++20(O2)	178 Bytes	2025-11-22 8:15:42
AC	hankli	23ms	552 KiB	C++20	472 Bytes	2025-9-18 18:21:28
AC	jerryhu	23ms	548 KiB	C++98	178 Bytes	2025-11-8 9:44:44
AC	askaguo	23ms	536 KiB	C++98	168 Bytes	2025-11-22 8:21:05
AC	rayzhang	24ms	540 KiB	C++20(O2)	163 Bytes	2025-11-22 8:29:17
AC	coopermao	24ms	524 KiB	C++98	183 Bytes	2025-11-22 8:26:21
AC	stevexiong	24ms	720 KiB	C++98	230 Bytes	2025-10-2 22:39:39
AC	vionazhang	24ms	548 KiB	C++98	185 Bytes	2025-11-21 20:34:11
AC	peterwei	32ms	552 KiB	C++20(O2)	201 Bytes	2025-12-5 4:03:24