mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
35 lines
799 B
HTML
35 lines
799 B
HTML
<p>给你一个未排序的整数数组 <code>nums</code> ，请你找出其中没有出现的最小的正整数。</p>
|
||
请你实现时间复杂度为 <code>O(n)</code> 并且只使用常数级别额外空间的解决方案。
|
||
|
||
<p> </p>
|
||
|
||
<p><strong>示例 1：</strong></p>
|
||
|
||
<pre>
|
||
<strong>输入：</strong>nums = [1,2,0]
|
||
<strong>输出：</strong>3
|
||
</pre>
|
||
|
||
<p><strong>示例 2：</strong></p>
|
||
|
||
<pre>
|
||
<strong>输入：</strong>nums = [3,4,-1,1]
|
||
<strong>输出：</strong>2
|
||
</pre>
|
||
|
||
<p><strong>示例 3：</strong></p>
|
||
|
||
<pre>
|
||
<strong>输入：</strong>nums = [7,8,9,11,12]
|
||
<strong>输出：</strong>1
|
||
</pre>
|
||
|
||
<p> </p>
|
||
|
||
<p><strong>提示：</strong></p>
|
||
|
||
<ul>
|
||
<li><code>1 <= nums.length <= 5 * 10<sup>5</sup></code></li>
|
||
<li><code>-2<sup>31</sup> <= nums[i] <= 2<sup>31</sup> - 1</code></li>
|
||
</ul>
|