练42.2 求绝对值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C20250019	17ms	328 KiB	C++17(O2)	204 Bytes	2023-5-26 11:15:07
AC	summer23026	26ms	412 KiB	C++17(O2)	109 Bytes	2023-8-10 11:22:30
AC	summer23041	26ms	412 KiB	C++17(O2)	199 Bytes	2023-8-11 10:30:42
AC	summer23052	26ms	412 KiB	C++17(O2)	214 Bytes	2023-8-11 9:42:39
AC	CC20260074	27ms	412 KiB	C++17(O2)	199 Bytes	2023-11-5 16:39:21
AC	BC20270022	27ms	764 KiB	C++17(O2)	112 Bytes	2025-3-22 15:01:12
AC	BC20270465	28ms	764 KiB	C++17(O2)	173 Bytes	2024-11-1 16:38:10
AC	CC20260074	29ms	412 KiB	C++17(O2)	199 Bytes	2023-11-5 16:39:41
AC	summer23057	30ms	412 KiB	C++17(O2)	136 Bytes	2023-8-12 9:41:55