判断是否是3的倍数

状态	递交者	时间	内存	语言	代码	递交时间
AC	13901420420	14ms	512 KiB	C++17(O2)	184 Bytes	2025-12-20 10:36:13
AC	15905263344	16ms	556 KiB	C++17(O2)	155 Bytes	2026-3-8 14:36:37
AC	13641567801	16ms	540 KiB	C++17(O2)	187 Bytes	2025-12-4 20:38:55
AC	18796792921	17ms	512 KiB	C++17(O2)	183 Bytes	2025-12-28 14:43:46
AC	15996006306	18ms	588 KiB	C++17(O2)	194 Bytes	2025-11-30 17:31:18
AC	caochungui	18ms	548 KiB	C++17(O2)	190 Bytes	2025-11-30 15:58:42
AC	17368079895	18ms	540 KiB	C++17(O2)	181 Bytes	2026-1-7 15:38:10
AC	18451652600	18ms	516 KiB	C++17(O2)	169 Bytes	2026-2-7 10:27:01
AC	15252666790	18ms	512 KiB	C++17(O2)	195 Bytes	2025-12-2 19:49:34
AC	15861021069	18ms	540 KiB	C++17(O2)	182 Bytes	2025-12-7 10:53:54
AC	18082060086	19ms	556 KiB	C++17(O2)	172 Bytes	2025-12-2 18:25:30
AC	15052321516	21ms	512 KiB	C++17(O2)	197 Bytes	2025-12-7 11:16:57
AC	15896581923	21ms	512 KiB	C++17(O2)	195 Bytes	2026-2-9 15:34:53
AC	15952606862	21ms	516 KiB	C++17(O2)	182 Bytes	2025-12-5 18:53:02
AC	18051181190	22ms	516 KiB	C++17(O2)	182 Bytes	2026-3-25 20:07:01