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56 lines
1.6 KiB
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56 lines
1.6 KiB
HTML
<p>给定一个排序的整数数组 <code>nums</code> 和一个整数目标值<code> target</code> ，请在数组中找到 <code>target </code>，并返回其下标。如果目标值不存在于数组中，返回它将会被按顺序插入的位置。</p>
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<p>请必须使用时间复杂度为 <code>O(log n)</code> 的算法。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre>
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<strong>输入:</strong> nums = [1,3,5,6], target = 5
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<strong>输出:</strong> 2
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</pre>
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<p><strong>示例 2：</strong></p>
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<pre>
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<strong>输入:</strong> nums = [1,3,5,6], target = 2
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<strong>输出:</strong> 1
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</pre>
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<p><strong>示例 3：</strong></p>
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<pre>
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<strong>输入:</strong> nums = [1,3,5,6], target = 7
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<strong>输出:</strong> 4
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</pre>
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<p><strong>示例 4：</strong></p>
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<pre>
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<strong>输入:</strong> nums = [1,3,5,6], target = 0
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<strong>输出:</strong> 0
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</pre>
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<p><strong>示例 5：</strong></p>
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<pre>
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<strong>输入:</strong> nums = [1], target = 0
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<strong>输出:</strong> 0
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</pre>
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<p> </p>
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<p><strong>提示：</strong></p>
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<ul>
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<li><code>1 <= nums.length <= 10<sup>4</sup></code></li>
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<li><code>-10<sup>4</sup> <= nums[i] <= 10<sup>4</sup></code></li>
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<li><code>nums</code> 为<strong>无重复元素</strong>的<strong>升序</strong>排列数组</li>
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<li><code>-10<sup>4</sup> <= target <= 10<sup>4</sup></code></li>
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</ul>
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<p> </p>
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<p><meta charset="UTF-8" />注意：本题与主站 35 题相同： <a href="https://leetcode-cn.com/problems/search-insert-position/">https://leetcode-cn.com/problems/search-insert-position/</a></p>
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