摘要:
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possibl... 阅读全文
摘要:
Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,... 阅读全文
摘要:
--CREATE NONCLUSTERED INDEX qqNum on QQNumber100(QQNumber)declare @i int DECLARE @sql_str VARCHAR(MAX)set @i=102 while @i<1000 begin set @sql_str = 'C... 阅读全文