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35 lines
1.2 KiB
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35 lines
1.2 KiB
HTML
<p>给你一个数组 <code>nums</code> ，数组中有 <code>2n</code> 个元素，按 <code>[x<sub>1</sub>,x<sub>2</sub>,...,x<sub>n</sub>,y<sub>1</sub>,y<sub>2</sub>,...,y<sub>n</sub>]</code> 的格式排列。</p>
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<p>请你将数组按 <code>[x<sub>1</sub>,y<sub>1</sub>,x<sub>2</sub>,y<sub>2</sub>,...,x<sub>n</sub>,y<sub>n</sub>]</code> 格式重新排列，返回重排后的数组。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre><strong>输入：</strong>nums = [2,5,1,3,4,7], n = 3
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<strong>输出：</strong>[2,3,5,4,1,7]
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<strong>解释：</strong>由于 x<sub>1</sub>=2, x<sub>2</sub>=5, x<sub>3</sub>=1, y<sub>1</sub>=3, y<sub>2</sub>=4, y<sub>3</sub>=7 ，所以答案为 [2,3,5,4,1,7]
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</pre>
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<p><strong>示例 2：</strong></p>
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<pre><strong>输入：</strong>nums = [1,2,3,4,4,3,2,1], n = 4
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<strong>输出：</strong>[1,4,2,3,3,2,4,1]
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</pre>
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<p><strong>示例 3：</strong></p>
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<pre><strong>输入：</strong>nums = [1,1,2,2], n = 2
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<strong>输出：</strong>[1,2,1,2]
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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 <= n <= 500</code></li>
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<li><code>nums.length == 2n</code></li>
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<li><code>1 <= nums[i] <= 10^3</code></li>
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</ul>
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