longest_arithmetic_subsequence_of_given_difference

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Published: Apr 27, 2022 License: MIT Imports: 0 Imported by: 0

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Package longest_arithmetic_subsequence_of_given_difference https://leetcode-cn.com/problems/longest-arithmetic-subsequence-of-given-difference/

1218. 最长定差子序列

给你一个整数数组 arr 和一个整数 difference,请你找出并返回 arr 中最长等差子序列的长度,该子序列中相邻元素之间的差等于 difference 。

子序列 是指在不改变其余元素顺序的情况下,通过删除一些元素或不删除任何元素而从 arr 派生出来的序列。

提示:

1 <= arr.length <= 10^5
-10^4 <= arr[i], difference <= 10^4

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