【例16.1】判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	刘泰然	24ms	516 KiB	C++14	186 Bytes	2026-4-2 17:21:47
AC	马梓睿	25ms	764 KiB	C++14	187 Bytes	2025-9-21 11:20:23
AC	袁媛	25ms	540 KiB	C++14	178 Bytes	2026-4-11 10:54:18
AC	李昀柯	25ms	512 KiB	C++14	191 Bytes	2026-4-12 19:26:40
AC	夏睿	26ms	768 KiB	C++14	197 Bytes	2026-4-11 17:11:46
AC	时空小孙	26ms	768 KiB	C++14	186 Bytes	2026-4-3 17:37:40
AC	李毓姣	26ms	516 KiB	C++14	182 Bytes	2026-4-11 10:53:26
AC	雅鑫	27ms	512 KiB	C++14	231 Bytes	2026-4-3 17:44:05
AC	赵梓澈	27ms	516 KiB	C++14	192 Bytes	2026-4-2 17:30:30
AC	厉梦澜	27ms	512 KiB	C++14	188 Bytes	2026-4-11 10:53:00
AC	龙傲天	28ms	768 KiB	C++14	192 Bytes	2026-4-11 17:07:13
AC	小赵老师	28ms	744 KiB	C++14	227 Bytes	2025-9-21 11:17:17
AC	董宇博	28ms	512 KiB	C++14	238 Bytes	2026-4-2 17:27:46
AC	王宇泽	28ms	540 KiB	C++14	189 Bytes	2025-9-21 11:20:31