【基础】n个数取出r个数排列

状态	递交者	时间	内存	语言	代码	递交时间
AC	Davidkroos	3ms	380 KiB	C++ 98	382 Bytes	2022-10-5 9:01:00
AC	15808079883	3ms	376 KiB	C++ 98	358 Bytes	2022-10-5 14:42:39
AC	August	3ms	376 KiB	C++ 98	468 Bytes	2022-10-5 14:58:49
AC	202530384	3ms	376 KiB	C++ 98	446 Bytes	2022-10-5 15:44:35
AC	202530439	3ms	376 KiB	C++ 98	366 Bytes	2022-10-5 16:27:37
AC	13650519090	3ms	352 KiB	C++ 98	332 Bytes	2022-10-5 15:12:14
AC	admin	3ms	384 KiB	C++ 98	364 Bytes	2022-10-4 16:55:07
AC	202530480	4ms	404 KiB	C++ 98	382 Bytes	2022-10-5 15:12:12
AC	13983861181	4ms	376 KiB	C++ 98	309 Bytes	2022-10-5 16:00:39
AC	rjj	4ms	248 KiB	C++	365 Bytes	2022-7-7 10:22:42
AC	13368253581	4ms	376 KiB	C++ 98	466 Bytes	2022-10-5 14:41:51
AC	5174	4ms	376 KiB	C++ 98	451 Bytes	2022-10-5 15:43:30
AC	13368295585	4ms	376 KiB	C++ 98	371 Bytes	2022-10-5 14:50:10
AC	15023514801	4ms	388 KiB	C++ 98	927 Bytes	2022-10-5 11:06:10
AC	18623340398	4ms	396 KiB	C++ 98	437 Bytes	2022-10-5 14:50:31
AC	15823320343	4ms	404 KiB	C++ 98	332 Bytes	2022-10-5 15:41:08
AC	15123915976	4ms	504 KiB	C++ 98	363 Bytes	2022-10-5 10:04:49
AC	202530268	4ms	416 KiB	C++ 98	359 Bytes	2022-10-5 15:09:05
AC	202530275	4ms	376 KiB	C++ 98	333 Bytes	2022-10-5 8:54:10
AC	202530468	4ms	384 KiB	C++ 98	379 Bytes	2022-10-5 8:56:25
AC	18983044365	4ms	724 KiB	C++ 17	371 Bytes	2022-10-5 14:53:50
AC	fwb	5ms	376 KiB	C++ 98	360 Bytes	2022-10-5 8:58:55
AC	15215179605	6ms	412 KiB	C++ 98	722 Bytes	2023-4-12 7:34:44
AC	a13	7ms	372 KiB	C++ 98	548 Bytes	2022-10-5 16:58:28