932.Beautiful Array(漂亮数组)

Description

For some fixed N, an array A is beautiful if it is a permutation of the integers 1, 2, …, N, such that:

For every i < j, there is no k with i < k < j such that A[k] * 2 = A[i] + A[j].

Given N, return any beautiful array A. (It is guaranteed that one exists.)


对于某些固定的 N,如果数组 A 是整数 1, 2, …, N 组成的排列,使得:

对于每个 i < j,都不存在 k 满足 i < k < j 使得 A[k] * 2 = A[i] + A[j]。

那么数组 A 是漂亮数组。

给定 N,返回任意漂亮数组 A(保证存在一个)。

题目链接:https://leetcode.com/problems/beautiful-array/

Difficulty: medium

Example 1:

Input: 4
Output: [2,1,4,3]

Example 2:

Input: 5
Output: [3,1,2,5,4]

Note:

  • 1 <= N <= 1000

分析

  1. updating

参考代码

updating
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