【例】判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	罗开朗	23ms	6.2 MiB	C++14(O2)	275 Bytes	2024-10-26 11:37:32
AC	徐婧绮	24ms	6.3 MiB	C++14(O2)	246 Bytes	2025-4-6 16:26:38
AC	方一帆	25ms	6.1 MiB	C++14(O2)	206 Bytes	2024-8-21 14:44:43
AC	杨如楠	25ms	5.9 MiB	C++14(O2)	202 Bytes	2024-10-11 16:05:13
AC	DH-LZR	25ms	6.3 MiB	C++14(O2)	214 Bytes	2025-1-24 12:02:52
AC	罗莎	25ms	6 MiB	C++14(O2)	206 Bytes	2024-9-1 10:59:21
AC	付佳敏	25ms	5.9 MiB	C++14(O2)	203 Bytes	2024-10-11 16:15:34
AC	张天源	27ms	6.3 MiB	C++14(O2)	242 Bytes	2025-1-11 11:34:56
AC	郑惟楷	27ms	5.9 MiB	C++14(O2)	244 Bytes	2024-9-22 20:53:29
AC	程裕澍	27ms	6 MiB	C++14(O2)	195 Bytes	2024-9-21 10:22:45
AC	冯昱哲	28ms	6.2 MiB	C++14(O2)	200 Bytes	2025-1-16 13:42:47
AC	刘兵	34ms	6.1 MiB	C++14(O2)	249 Bytes	2024-8-16 16:55:28
AC	周驭准	37ms	6.3 MiB	C++14(O2)	286 Bytes	2025-5-23 21:48:36
AC	高宇豪	406ms	10.4 MiB	Python 3	105 Bytes	2024-8-21 14:48:57