题目: 1594 - Ducci Sequence Asia - Seoul - 2009/2010A Ducci sequence is a sequence of n-tuples of integers. Given an n-tuple of integers (a1, a2, ... , an), the next n-tuple in the sequence is formed by taking the absolute differences of neighboring in…
斐波那契数列(Fibonacci sequence)的T-SQL实现 ;WITH T AS ( AS BIGINT) AS curr, CAST(NULL AS BIGINT) AS prv UNION ALL AS NUM, CAST(CASE WHEN prv IS NULL THEN curr ELSE curr + prv END AS BIGINT) AS curr, CAST(curr AS BIGINT) AS prv FROM T curr ,) ,) ) SELECT curr…