含k个3的数

状态	递交者	时间	内存	语言	代码	递交时间
AC	hejunyi123	18ms	768 KiB	C++14(O2)	272 Bytes	2026-10-18 17:32:28
AC	qiaoguanning	19ms	768 KiB	C++14(O2)	179 Bytes	2026-11-8 18:21:25
AC	谭栋文	20ms	768 KiB	C++14(O2)	500 Bytes	2026-11-8 9:58:56
AC	zhongzichen123	21ms	768 KiB	C++14(O2)	161 Bytes	2026-11-10 21:02:04
AC	diaoliangchen	21ms	768 KiB	C++14(O2)	285 Bytes	2026-10-18 17:50:04
AC	老八9178	21ms	768 KiB	C++14(O2)	235 Bytes	2026-10-16 21:16:44
AC	司佰仟	22ms	768 KiB	C++14(O2)	451 Bytes	2026-10-7 13:14:10
AC	任墨林	22ms	768 KiB	C++14(O2)	161 Bytes	2026-11-9 21:13:23
AC	kangruixi666	22ms	512 KiB	C++14(O2)	211 Bytes	2026-10-18 17:26:50
AC	yangbin	23ms	768 KiB	C++14(O2)	271 Bytes	2026-10-10 15:36:05
AC	Linenyi	24ms	768 KiB	C++14(O2)	240 Bytes	2026-11-7 17:42:01