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31 lines
971 B
HTML
31 lines
971 B
HTML
<p>统计一个数字在排序数组中出现的次数。</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 = [<code>5,7,7,8,8,10]</code>, target = 8
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<strong>输出:</strong> 2</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 = [<code>5,7,7,8,8,10]</code>, target = 6
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<strong>输出:</strong> 0</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>0 <= nums.length <= 10<sup>5</sup></code></li>
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<li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li>
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<li><code>nums</code> 是一个非递减数组</li>
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<li><code>-10<sup>9</sup> <= target <= 10<sup>9</sup></code></li>
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</ul>
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<p> </p>
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<p><strong>注意：</strong>本题与主站 34 题相同（仅返回值不同）：<a href="https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/">https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/</a></p>
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