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leetcode-problemset/leetcode-cn/originData/search-in-rotated-sorted-array.json
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"question": {
"questionId": "33",
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"categoryTitle": "Algorithms",
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"title": "Search in Rotated Sorted Array",
"titleSlug": "search-in-rotated-sorted-array",
"content": "<p>There is an integer array <code>nums</code> sorted in ascending order (with <strong>distinct</strong> values).</p>\n\n<p>Prior to being passed to your function, <code>nums</code> is <strong>possibly rotated</strong> at an unknown pivot index <code>k</code> (<code>1 &lt;= k &lt; nums.length</code>) such that the resulting array is <code>[nums[k], nums[k+1], ..., nums[n-1], nums[0], nums[1], ..., nums[k-1]]</code> (<strong>0-indexed</strong>). For example, <code>[0,1,2,4,5,6,7]</code> might be rotated at pivot index <code>3</code> and become <code>[4,5,6,7,0,1,2]</code>.</p>\n\n<p>Given the array <code>nums</code> <strong>after</strong> the possible rotation and an integer <code>target</code>, return <em>the index of </em><code>target</code><em> if it is in </em><code>nums</code><em>, or </em><code>-1</code><em> if it is not in </em><code>nums</code>.</p>\n\n<p>You must write an algorithm with <code>O(log n)</code> runtime complexity.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<pre><strong>Input:</strong> nums = [4,5,6,7,0,1,2], target = 0\n<strong>Output:</strong> 4\n</pre><p><strong>Example 2:</strong></p>\n<pre><strong>Input:</strong> nums = [4,5,6,7,0,1,2], target = 3\n<strong>Output:</strong> -1\n</pre><p><strong>Example 3:</strong></p>\n<pre><strong>Input:</strong> nums = [1], target = 0\n<strong>Output:</strong> -1\n</pre>\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 5000</code></li>\n\t<li><code>-10<sup>4</sup> &lt;= nums[i] &lt;= 10<sup>4</sup></code></li>\n\t<li>All values of <code>nums</code> are <strong>unique</strong>.</li>\n\t<li><code>nums</code> is an ascending array that is possibly rotated.</li>\n\t<li><code>-10<sup>4</sup> &lt;= target &lt;= 10<sup>4</sup></code></li>\n</ul>\n",
"translatedTitle": "搜索旋转排序数组",
"translatedContent": "<p>整数数组 <code>nums</code> 按升序排列,数组中的值 <strong>互不相同</strong> 。</p>\n\n<p>在传递给函数之前,<code>nums</code> 在预先未知的某个下标 <code>k</code><code>0 <= k < nums.length</code>)上进行了 <strong>旋转</strong>,使数组变为 <code>[nums[k], nums[k+1], ..., nums[n-1], nums[0], nums[1], ..., nums[k-1]]</code>(下标 <strong>从 0 开始</strong> 计数)。例如, <code>[0,1,2,4,5,6,7]</code> 在下标 <code>3</code> 处经旋转后可能变为 <code>[4,5,6,7,0,1,2]</code> 。</p>\n\n<p>给你 <strong>旋转后</strong> 的数组 <code>nums</code> 和一个整数 <code>target</code> ,如果 <code>nums</code> 中存在这个目标值 <code>target</code> ,则返回它的下标,否则返回 <code>-1</code> 。</p>\n\n<p> </p>\n\n<p><strong>示例 1</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [<code>4,5,6,7,0,1,2]</code>, target = 0\n<strong>输出:</strong>4\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [<code>4,5,6,7,0,1,2]</code>, target = 3\n<strong>输出:</strong>-1</pre>\n\n<p><strong>示例 3</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [1], target = 0\n<strong>输出:</strong>-1\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 5000</code></li>\n\t<li><code>-10^4 <= nums[i] <= 10^4</code></li>\n\t<li><code>nums</code> 中的每个值都 <strong>独一无二</strong></li>\n\t<li>题目数据保证 <code>nums</code> 在预先未知的某个下标上进行了旋转</li>\n\t<li><code>-10^4 <= target <= 10^4</code></li>\n</ul>\n\n<p> </p>\n\n<p><strong>进阶:</strong>你可以设计一个时间复杂度为 <code>O(log n)</code> 的解决方案吗?</p>\n",
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