判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	summer23041	13ms	684 KiB	C++17	184 Bytes	2023-10-5 16:23:05
AC	BC20260031	13ms	684 KiB	C++14(O2)	296 Bytes	2023-12-5 16:50:59
AC	BC20260349	13ms	792 KiB	C++17(O2)	197 Bytes	2023-12-13 10:06:57
AC	BC20260311	14ms	736 KiB	C++17	206 Bytes	2023-12-19 16:34:14
AC	BC20260064	14ms	680 KiB	C++11(O2)	180 Bytes	2023-12-5 15:16:36
AC	CC20260191	14ms	684 KiB	C++17(O2)	184 Bytes	2024-1-24 9:45:58
AC	CC20260060	14ms	684 KiB	C++11	201 Bytes	2023-11-12 8:18:15
AC	BC20260085	15ms	796 KiB	C++11	198 Bytes	2024-3-11 12:08:14
AC	C20250070	16ms	680 KiB	C++17(O2)	214 Bytes	2024-5-18 11:40:17
AC	BC20260030	16ms	792 KiB	C++17(O2)	177 Bytes	2024-4-13 11:15:20
AC	BC20260080	16ms	692 KiB	C++17(O2)	267 Bytes	2024-4-4 23:22:17
AC	summer23061	17ms	736 KiB	C++11(O2)	226 Bytes	2024-6-14 16:44:02