mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
33 lines
940 B
HTML
33 lines
940 B
HTML
<p>Given an integer array <code>nums</code> and an integer <code>k</code>, return <code>true</code> if there are two <strong>distinct indices</strong> <code>i</code> and <code>j</code> in the array such that <code>nums[i] == nums[j]</code> and <code>abs(i - j) <= k</code>.</p>
|
|
|
|
<p> </p>
|
|
<p><strong>Example 1:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> nums = [1,2,3,1], k = 3
|
|
<strong>Output:</strong> true
|
|
</pre>
|
|
|
|
<p><strong>Example 2:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> nums = [1,0,1,1], k = 1
|
|
<strong>Output:</strong> true
|
|
</pre>
|
|
|
|
<p><strong>Example 3:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> nums = [1,2,3,1,2,3], k = 2
|
|
<strong>Output:</strong> false
|
|
</pre>
|
|
|
|
<p> </p>
|
|
<p><strong>Constraints:</strong></p>
|
|
|
|
<ul>
|
|
<li><code>1 <= nums.length <= 10<sup>5</sup></code></li>
|
|
<li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li>
|
|
<li><code>0 <= k <= 10<sup>5</sup></code></li>
|
|
</ul>
|