判断数正负

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	yisuokaer	16ms	412 KiB	C++14	231 Bytes	2024-4-7 21:32:03
AC	xinao	16ms	376 KiB	C++14	193 Bytes	2023-6-30 9:06:02
AC	adler	16ms	384 KiB	C++14	220 Bytes	2024-3-27 22:10:02
AC	yanshan	18ms	504 KiB	C++14	255 Bytes	2023-11-11 13:43:14
AC	haiyang	18ms	392 KiB	C++14	231 Bytes	2024-5-23 19:54:11
AC	yanshan	18ms	380 KiB	C++14	274 Bytes	2023-11-11 13:43:24
AC	qige	18ms	408 KiB	C++14	256 Bytes	2024-8-19 13:46:46
AC	昊昊	19ms	420 KiB	C++14	178 Bytes	2024-12-9 20:28:21
AC	yuchen	19ms	504 KiB	C++17	193 Bytes	2023-10-5 21:31:52
AC	余尚儒	19ms	432 KiB	C++14	264 Bytes	2025-4-13 15:07:16
AC	杜蓉蓉	22ms	376 KiB	C++14	225 Bytes	2025-7-2 22:01:22
AC	王若兰	23ms	428 KiB	C++14	221 Bytes	2025-1-24 10:15:50