[LeetCode] Beautiful Arrangement 优美排列
Suppose you have N integers from 1 to N. We define a beautiful arrangement as an array that is constructed by these N numbers successfully if one ...
原文：[LeetCode] Beautiful Arrangement II 优美排列之二
Given two integersnandk, you need to construct a list which containsndifferent positive integers ranging from tonand obeys the following requirement:Suppose this list is a , a , a , ... , an , then t ...
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