符号函数(sgn)

状态	递交者	时间	内存	语言	代码	递交时间
AC	2864229430	17ms	6.5 MiB		152 Bytes	2023-3-23 17:27:48
AC	stong9070	18ms	6.6 MiB		594 Bytes	2023-3-23 16:31:45
AC	thxgg	19ms	532 KiB	C++14(O2)	123 Bytes	2024-2-13 16:58:19
AC	dashuaige	21ms	6.5 MiB		168 Bytes	2023-2-4 21:13:02
AC	lyxx	42ms	6.5 MiB		123 Bytes	2023-2-4 19:48:55
AC	yanghao	48ms	6.5 MiB		165 Bytes	2023-2-4 20:38:16
AC	a1sdf	49ms	6.5 MiB		118 Bytes	2023-2-4 19:34:52
AC	Liang Yi	50ms	6.5 MiB		755 Bytes	2023-2-4 19:59:12
AC	ymf123	57ms	6.5 MiB		135 Bytes	2023-2-4 22:32:25
AC	fuck	59ms	6.5 MiB		123 Bytes	2023-2-4 21:10:21