【例16.1】判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	米若瑜2026dly	26ms	772 KiB	C++14(O2)	212 Bytes	2026-1-23 10:21:20
AC	w20120404	26ms	532 KiB	C++14(O2)	240 Bytes	2025-7-31 3:39:38
AC	马语墨2026dly	26ms	512 KiB	C++14(O2)	206 Bytes	2026-1-24 14:33:35
AC	向奕锦1.04	26ms	768 KiB	C++14(O2)	190 Bytes	2026-1-23 19:30:34
AC	白力予	26ms	508 KiB	C++14(O2)	227 Bytes	2025-7-7 10:37:15
AC	刘诗瑶qcx	26ms	768 KiB	C++14(O2)	205 Bytes	2026-2-1 16:51:57
AC	饶子和2026dly	26ms	772 KiB	C++14(O2)	207 Bytes	2026-1-22 21:31:25
AC	何子琛2026dly	26ms	512 KiB	C++14(O2)	188 Bytes	2026-1-16 22:56:10
AC	后程兮qcx	26ms	508 KiB	C++14(O2)	237 Bytes	2025-7-12 10:59:30
AC	王李飞飞2026dly	26ms	512 KiB	C++14(O2)	209 Bytes	2026-1-24 20:32:03
AC	李依霏2026dly	26ms	516 KiB	C++14(O2)	216 Bytes	2026-1-24 11:21:39
AC	刘诗瑶2026dly	26ms	540 KiB	C++14(O2)	185 Bytes	2026-1-23 22:30:46
AC	唐文博2026dly	26ms	512 KiB	C++14(O2)	205 Bytes	2026-1-20 19:27:41
AC	_anguanie_	26ms	512 KiB	C++14(O2)	188 Bytes	2025-7-5 10:03:57
AC	李朋飞2026dly	26ms	512 KiB	C++14(O2)	282 Bytes	2026-1-16 16:03:46
AC	吴承锦2026dly	26ms	512 KiB	C++14(O2)	209 Bytes	2026-1-25 10:06:01
AC	唐源懋2026dly	26ms	516 KiB	C++14(O2)	185 Bytes	2026-1-23 19:37:57
AC	戴俊懿2026dly	26ms	516 KiB	C++14(O2)	189 Bytes	2026-1-23 11:32:05
AC	高梓宸2026dly	26ms	768 KiB	C++14(O2)	200 Bytes	2026-1-23 21:18:31
AC	肖毅坤2026dly	26ms	768 KiB	C++14(O2)	272 Bytes	2026-1-25 20:02:19
AC	简怀墨2025xlycontest	26ms	540 KiB	C++14(O2)	232 Bytes	2026-1-15 15:05:41
AC	李雨滴2026dly	26ms	512 KiB	C++14(O2)	226 Bytes	2026-1-22 19:31:54
AC	郭祖廷2026dly	26ms	768 KiB	C++14(O2)	207 Bytes	2026-1-16 22:04:04
AC	安致远2026dly	26ms	516 KiB	C++14(O2)	228 Bytes	2026-1-16 13:08:12
AC	杨安祺2026dly	26ms	512 KiB	C++14(O2)	215 Bytes	2026-1-22 21:24:16
AC	张纯逸2026dly	26ms	768 KiB	C++14(O2)	207 Bytes	2026-1-22 9:58:28
AC	夏欣辰2026dly	26ms	512 KiB	C++14(O2)	211 Bytes	2026-1-22 20:21:40
AC	黄厚铭2026dly	26ms	516 KiB	C++14	205 Bytes	2026-1-14 13:55:44
AC	李轩逸xly2025	26ms	760 KiB	C++14(O2)	215 Bytes	2025-7-7 10:19:15
AC	姚胜蓝	26ms	504 KiB	C++14(O2)	219 Bytes	2025-7-5 13:35:49
AC	许家畅xly2025	26ms	532 KiB	C++14(O2)	231 Bytes	2025-7-4 18:45:13
AC	简怀墨xly2025	26ms	508 KiB	C++14(O2)	192 Bytes	2025-7-5 16:42:50
AC	左竣榕2026dly	26ms	512 KiB	C++14(O2)	191 Bytes	2026-1-25 11:49:51
AC	王芊朗2026dly	26ms	512 KiB	C++14(O2)	240 Bytes	2026-1-23 18:07:56
AC	李承兴2026dly	26ms	512 KiB	C++14(O2)	220 Bytes	2026-1-22 11:30:42
AC	方雪岚2026dly	26ms	512 KiB	C++14(O2)	220 Bytes	2026-1-23 21:41:46
AC	王梓龙2026dly	26ms	512 KiB	C++14(O2)	301 Bytes	2026-1-23 20:05:29
AC	杨孟庄2026dly	26ms	768 KiB	C++14(O2)	271 Bytes	2026-1-24 14:43:33
AC	余可馨2026dly	26ms	544 KiB	C++14(O2)	189 Bytes	2026-1-15 22:36:21
AC	严晨航	26ms	508 KiB	C++14(O2)	224 Bytes	2025-7-5 11:42:25
AC	白一汎xly2025	26ms	760 KiB	C++14(O2)	257 Bytes	2025-7-7 11:07:42
AC	卢皓禹xly2025	26ms	512 KiB	C++17(O2)	227 Bytes	2026-1-15 15:59:15
AC	杨一诺2026dly	27ms	516 KiB	C++14(O2)	222 Bytes	2026-1-23 19:39:16
AC	王鸿畅xly2025	27ms	760 KiB	C++14(O2)	200 Bytes	2025-7-7 9:59:06
AC	马泽宇2026dly	27ms	768 KiB	C++14(O2)	201 Bytes	2026-1-22 15:43:19
AC	徐尔蔓qcx	27ms	524 KiB	C++14(O2)	227 Bytes	2025-7-12 10:59:38
AC	吴雨曦2026dly	27ms	512 KiB	C++14(O2)	191 Bytes	2026-1-20 22:21:53
AC	丁资凡2026dly	27ms	764 KiB	C++14(O2)	211 Bytes	2026-1-11 19:58:52
AC	杜思熠2026dly	27ms	516 KiB	C++14(O2)	220 Bytes	2026-1-23 18:45:26
AC	王冠楠xly2025	27ms	760 KiB	C++14(O2)	275 Bytes	2025-7-5 11:15:27
AC	赵梓辰2026dly	27ms	512 KiB	C++14(O2)	229 Bytes	2026-1-25 18:18:55
AC	黄也洛	27ms	540 KiB	C++14(O2)	206 Bytes	2026-1-21 21:33:02
AC	高尚美2026dly	27ms	672 KiB	C++14(O2)	197 Bytes	2026-1-24 21:42:45
AC	许默xly2025	27ms	504 KiB	C++14(O2)	230 Bytes	2025-7-7 9:32:43
AC	沈若凡2026dly	27ms	512 KiB	C++14(O2)	212 Bytes	2026-1-23 15:12:02
AC	黄腾钰2026dly	27ms	512 KiB	C++14(O2)	210 Bytes	2026-1-12 21:32:54
AC	熊辰希2026dly	27ms	768 KiB	C++14(O2)	260 Bytes	2026-1-14 21:05:33
AC	chenqiugu	27ms	760 KiB	C++14	275 Bytes	2025-7-29 22:19:28
AC	邵馨羽2026dly	27ms	544 KiB	C++14(O2)	208 Bytes	2026-1-23 20:26:53
AC	万千绮2026dly	27ms	760 KiB	C++14(O2)	209 Bytes	2026-1-23 17:51:59
AC	刘耘滕2026dly	27ms	512 KiB	C++14(O2)	229 Bytes	2026-1-25 18:09:01
AC	胡致远2026dly	27ms	516 KiB	C++14(O2)	214 Bytes	2026-1-23 15:19:15
AC	周天心2026dly	27ms	512 KiB	C++14(O2)	209 Bytes	2026-1-23 9:47:02
AC	杨博然2026dly	27ms	512 KiB	C++14(O2)	199 Bytes	2026-1-26 17:14:42
AC	张隽语xly2025	27ms	756 KiB	C++14(O2)	212 Bytes	2025-7-7 9:38:21
AC	侬孜翌2026dly	27ms	512 KiB	C++14(O2)	180 Bytes	2026-1-11 18:52:44
AC	林思媛2026dly	27ms	768 KiB	C++14(O2)	237 Bytes	2026-1-26 22:48:09
AC	钟执墨2026dly	27ms	512 KiB	C++14(O2)	220 Bytes	2026-1-11 22:06:04
AC	邓旭尧2026dly	27ms	764 KiB	C++14(O2)	274 Bytes	2026-1-23 12:02:35
AC	杨茗涵2026dly	27ms	764 KiB	C++14(O2)	205 Bytes	2026-1-24 22:48:49
AC	蔡依龙2026dly	27ms	540 KiB	C++14(O2)	229 Bytes	2026-1-22 9:05:16
AC	杨高2026dly	27ms	512 KiB	C++14(O2)	264 Bytes	2026-1-23 13:02:04
AC	汤骐嘉2026dly	27ms	552 KiB	C++14(O2)	203 Bytes	2026-1-12 22:05:48
AC	Mch121018	27ms	508 KiB	C++14(O2)	286 Bytes	2025-7-5 16:44:30
AC	胡宇翔xly2025	27ms	760 KiB	C++14(O2)	202 Bytes	2025-7-7 11:07:46
AC	heqianyu	27ms	508 KiB	C++14	278 Bytes	2025-8-2 17:54:47
AC	taoruiguo120	27ms	760 KiB	C++14	281 Bytes	2025-7-28 19:15:02
AC	李欣蔚2026dly	27ms	776 KiB	C++14(O2)	272 Bytes	2026-1-23 12:11:49
AC	李衍树xly2025	27ms	508 KiB	C++14(O2)	197 Bytes	2025-7-7 10:02:24
AC	赵忠霈2026dly	27ms	512 KiB	C++14(O2)	216 Bytes	2026-1-24 23:24:05
AC	孙道庸2026dly	27ms	516 KiB	C++14(O2)	228 Bytes	2026-1-24 16:39:05
AC	朱璟堂2026dly	27ms	512 KiB	C++14(O2)	212 Bytes	2026-1-21 22:20:56
AC	李锦华	27ms	504 KiB	C++14(O2)	212 Bytes	2025-7-27 19:34:50
AC	黄健峰2026dly	28ms	512 KiB	C++14(O2)	238 Bytes	2026-1-25 19:39:19
AC	严梓绮2026dly	28ms	512 KiB	C++14(O2)	205 Bytes	2026-1-22 21:39:59
AC	黄佳欣2026dly	28ms	516 KiB	C++14(O2)	294 Bytes	2026-1-24 14:11:44
AC	Musa721	28ms	760 KiB	C++14(O2)	322 Bytes	2025-11-7 23:42:00
AC	王思懿	28ms	760 KiB	C++14(O2)	219 Bytes	2025-7-5 14:01:40
AC	张宸语2026dly	28ms	768 KiB	C++14(O2)	211 Bytes	2026-1-24 21:29:00
AC	黄琨淇	28ms	512 KiB	C++14(O2)	205 Bytes	2026-2-25 15:26:01
AC	王子铭2026dly	28ms	536 KiB	C++14(O2)	232 Bytes	2026-1-25 17:39:42
AC	刘胤羽2026dly	28ms	512 KiB	C++14(O2)	233 Bytes	2026-1-24 14:28:50
AC	李宇翔2026dly	28ms	768 KiB	C++14(O2)	200 Bytes	2026-1-22 18:29:46
AC	胡知鱼	28ms	764 KiB	C++14(O2)	216 Bytes	2025-9-21 16:12:53
AC	丁资凡1.04	28ms	504 KiB	C++14(O2)	211 Bytes	2026-1-4 10:54:39
AC	Harry	28ms	508 KiB	C++14	214 Bytes	2025-7-27 20:43:17
AC	孙培沂2026dly	29ms	512 KiB	C++14(O2)	353 Bytes	2026-1-21 21:31:24