【例16.1】判断数正负

状态	递交者	时间	内存	语言	代码	递交时间
AC	C++很差 (liyaoyanheng)	19ms	760 KiB	C++98	204 Bytes	2025-4-2 20:57:38
AC	温喜颜	23ms	512 KiB	C++14(O2)	177 Bytes	2026-2-27 15:23:18
AC	徐启正	24ms	760 KiB	C++14(O2)	175 Bytes	2025-7-13 20:58:58
AC	liyaoyanlin	24ms	508 KiB	C++98	199 Bytes	2025-4-2 20:55:05
AC	刘东林	24ms	512 KiB	C++14(O2)	183 Bytes	2026-5-17 15:25:29
AC	小陈同学 (陈李钰)	24ms	536 KiB	C++14(O2)	173 Bytes	2025-9-20 10:34:40
AC	孙瑞泽	24ms	536 KiB	C++14(O2)	197 Bytes	2025-7-19 21:20:04
AC	曹思源	24ms	508 KiB	C++14(O2)	200 Bytes	2025-7-26 15:42:03
AC	邹济凡	24ms	768 KiB	C++14(O2)	181 Bytes	2026-5-17 15:55:28
AC	litianrui	25ms	756 KiB	C++11	202 Bytes	2025-6-28 19:35:31
AC	{"group":"周六上午10点" (余锦辰)	25ms	508 KiB	C++14(O2)	161 Bytes	2025-7-29 10:23:29
AC	石以珩	25ms	768 KiB	C++14(O2)	183 Bytes	2026-5-19 18:09:33
AC	胡家瑛	25ms	504 KiB	C++14(O2)	194 Bytes	2025-8-7 16:49:53
AC	林嘉骥	25ms	508 KiB	C++14(O2)	197 Bytes	2025-12-28 21:23:26
AC	6666.66 (wangyinan)	25ms	512 KiB	C++14(O2)	176 Bytes	2026-3-22 11:07:43
AC	秦朗	25ms	532 KiB	C++14(O2)	196 Bytes	2025-7-11 21:19:43
AC	孙紫轩	25ms	760 KiB	C++14(O2)	199 Bytes	2025-7-24 10:25:38
AC	程煜	25ms	760 KiB	C++14(O2)	208 Bytes	2025-12-15 13:13:03
AC	冯锐阳	25ms	560 KiB	C++14(O2)	185 Bytes	2026-4-23 15:40:49
AC	傅祺智	25ms	516 KiB	C++14(O2)	192 Bytes	2026-5-30 17:29:09
AC	我爱刷题，刷题爱我！ (冷奕程)	25ms	512 KiB	C++14(O2)	182 Bytes	2026-4-27 13:15:16
AC	李承宇	25ms	760 KiB	C++14(O2)	201 Bytes	2025-7-29 9:45:00
AC	钟知航	26ms	760 KiB	C++14(O2)	182 Bytes	2025-7-5 18:30:21
AC	姜相池	26ms	512 KiB	C++14(O2)	183 Bytes	2026-5-9 21:10:09
AC	赵婧雯	26ms	504 KiB	C++14(O2)	200 Bytes	2025-8-8 20:34:11
AC	左沛霖	26ms	780 KiB	C++14(O2)	182 Bytes	2026-5-19 18:31:27
AC	周云谦	26ms	508 KiB	C++14(O2)	197 Bytes	2025-7-20 17:01:48
AC	xyc (夏懿陈)	26ms	532 KiB	C++14(O2)	195 Bytes	2025-7-4 18:26:18
AC	周恬愉	26ms	512 KiB	C++14(O2)	183 Bytes	2026-5-29 19:36:08
AC	{"group":"周六上午10点" (骆骁宇)	26ms	508 KiB	C++14(O2)	170 Bytes	2025-8-3 16:08:22
AC	周浩荣	26ms	764 KiB	C++14(O2)	257 Bytes	2025-12-30 20:17:01
AC	胡佳俊	26ms	764 KiB	C++14(O2)	195 Bytes	2025-7-20 10:58:40
AC	常博文	26ms	508 KiB	C++14(O2)	208 Bytes	2025-8-10 11:54:46
AC	陈沐阳	26ms	760 KiB	C++14(O2)	202 Bytes	2025-8-2 10:22:06
AC	常胤豪	26ms	524 KiB	C++14(O2)	173 Bytes	2025-7-20 13:08:14
AC	张思睿1	26ms	768 KiB	C++14(O2)	175 Bytes	2026-3-29 21:45:02
AC	王家芮	27ms	516 KiB	C++14(O2)	182 Bytes	2026-4-26 22:06:42
AC	张晨洋	27ms	508 KiB	C++14(O2)	175 Bytes	2025-7-2 12:42:34
AC	李睿凡	27ms	768 KiB	C++14(O2)	217 Bytes	2026-5-23 19:52:16
AC	丁可文颉	27ms	760 KiB	C++14(O2)	176 Bytes	2025-7-20 9:45:20
AC	杜劭晴	27ms	760 KiB	C++14(O2)	184 Bytes	2025-7-14 20:59:01
AC	!@#$#^ (孙乐阳)	27ms	508 KiB	C++14(O2)	205 Bytes	2025-8-3 17:46:44
AC	(李欣泽)	27ms	768 KiB	C++14(O2)	167 Bytes	2026-5-11 19:48:01
AC	jhaew rnfbc WHGLE RYGHDFW89 (郭昌言)	27ms	512 KiB	C++14(O2)	186 Bytes	2026-4-26 13:23:05
AC	yaoliyidan	27ms	508 KiB	C++11	193 Bytes	2025-6-27 16:38:05
AC	马思辰	27ms	512 KiB	C++14(O2)	182 Bytes	2026-5-19 18:29:23
AC	王琛宇	27ms	756 KiB	C++14(O2)	193 Bytes	2025-7-30 20:08:57
AC	曹宸梓祺	27ms	516 KiB	C++14(O2)	171 Bytes	2026-5-17 15:26:31
AC	汤乾	27ms	520 KiB	C++14(O2)	183 Bytes	2026-5-23 21:53:06
AC	栾明泽	28ms	764 KiB	C++14(O2)	196 Bytes	2025-7-21 11:22:08
AC	猫小九 (何徽珩)	28ms	768 KiB	C++14(O2)	184 Bytes	2026-5-2 9:59:21
AC	吕晨宇	28ms	760 KiB	C++14(O2)	415 Bytes	2025-7-4 11:28:31
AC	韩宥哲	28ms	508 KiB	C++14(O2)	181 Bytes	2025-7-2 12:58:09
AC	chy陈浩洋 (陈浩洋)	28ms	756 KiB	C++14(O2)	173 Bytes	2025-7-27 16:11:31
AC	曹子禾	28ms	540 KiB	C++14(O2)	194 Bytes	2025-9-8 12:05:57
AC	杨羽柯	28ms	516 KiB	C++14(O2)	195 Bytes	2026-5-17 15:39:00
AC	潘庆宸	28ms	516 KiB	C++14(O2)	182 Bytes	2026-5-19 18:32:15
AC	胡梓越	28ms	520 KiB	C++14(O2)	187 Bytes	2026-5-24 20:39:55
AC	无 (何夏璞)	28ms	764 KiB	C++14(O2)	184 Bytes	2026-5-2 10:06:47
AC	zhangtianle	28ms	512 KiB	C++14(O2)	186 Bytes	2026-5-20 22:34:40
AC	龙的传人 (zyf) E (湛易峰)	28ms	504 KiB	C++14(O2)	172 Bytes	2025-7-26 9:49:26
AC	zhaozhiyu	29ms	512 KiB	C++14(O2)	191 Bytes	2026-5-1 15:42:07
AC	☺刷题快乐！！！ (朱浩晨)	29ms	512 KiB	C++14(O2)	200 Bytes	2026-5-4 12:28:01
AC	杨博睿	29ms	760 KiB	C++14(O2)	188 Bytes	2025-8-18 18:49:05