练42.3 浮点数向零舍入

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	C20250083	16ms	432 KiB	C++17(O2)	126 Bytes	2023-5-22 19:53:10
AC	BC20270022	24ms	764 KiB	C++17(O2)	113 Bytes	2025-3-22 17:02:47
AC	summer23041	27ms	420 KiB	C++17(O2)	122 Bytes	2023-8-16 17:01:21
AC	summer23031	28ms	412 KiB	C++17(O2)	216 Bytes	2023-8-9 10:36:19
AC	CC20260074	28ms	412 KiB	C++17(O2)	122 Bytes	2023-11-5 16:40:12
AC	summer23052	29ms	516 KiB	C++17(O2)	154 Bytes	2023-8-16 20:57:59
AC	C20250019	30ms	416 KiB	C++17(O2)	113 Bytes	2023-6-18 11:09:55