Easy 219题 Contains Duplicate II

最新推荐文章于 2021-10-23 05:24:25 发布
最新推荐文章于 2021-10-23 05:24:25 发布
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分类专栏： leetcode easy
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本文链接：https://blog.youkuaiyun.com/brenda_zhao/article/details/52666629
该博客探讨了一个编程问题，即给定一个整数数组和一个整数k，判断数组中是否存在两个不同下标的元素，它们的值相等且下标之差的绝对值不超过k。解决方案涉及到使用哈希映射（map）来跟踪元素及其出现的位置，通过map.put的返回值判断是否有重复元素。

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Question:

Given an array of integers and an integer k, find out whether there are two distinct indices i and 

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