Problem 1052 [ZJOI2010]排列计数

Solved: 4 Solved
Challenged: 4 Submits
正确: 4

#	RunID	UserID	Memory	Time	Language	Submit Time
	2457	1605120902	16744 KB	22 ms	C++	2018-07-04 19:23:41
	129012	22420923150066	17796 KB	25 ms	C++	2023-07-31 11:44:31
	133744	2221075000	17804 KB	129 ms	C++	2024-11-09 21:50:14
	133711	2221064999	17804 KB	131 ms	C++	2024-11-09 13:51:13