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<p>给你一个整数 <code>n</code>。请你计算以下两个值的 <strong>最大公约数</strong>(GCD):</p>
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<ul>
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<li>
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<p><code>sumOdd</code>:前 <code>n</code> 个奇数的总和。</p>
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</li>
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<li>
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<p><code>sumEven</code>:前 <code>n</code> 个偶数的总和。</p>
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</li>
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</ul>
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<p>返回 <code>sumOdd</code> 和 <code>sumEven</code> 的 GCD。</p>
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<p> </p>
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<p><strong class="example">示例 1:</strong></p>
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<div class="example-block">
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<p><strong>输入:</strong> <span class="example-io">n = 4</span></p>
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<p><strong>输出:</strong> <span class="example-io">4</span></p>
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<p><strong>解释:</strong></p>
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<ul>
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<li>前 4 个奇数的总和 <code>sumOdd = 1 + 3 + 5 + 7 = 16</code></li>
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<li>前 4 个偶数的总和 <code>sumEven = 2 + 4 + 6 + 8 = 20</code></li>
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</ul>
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<p>因此,<code>GCD(sumOdd, sumEven) = GCD(16, 20) = 4</code>。</p>
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</div>
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<p><strong class="example">示例 2:</strong></p>
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<div class="example-block">
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<p><strong>输入:</strong> <span class="example-io">n = 5</span></p>
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<p><strong>输出:</strong> <span class="example-io">5</span></p>
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<p><strong>解释:</strong></p>
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<ul>
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<li>前 5 个奇数的总和 <code>sumOdd = 1 + 3 + 5 + 7 + 9 = 25</code></li>
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<li>前 5 个偶数的总和 <code>sumEven = 2 + 4 + 6 + 8 + 10 = 30</code></li>
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</ul>
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<p>因此,<code>GCD(sumOdd, sumEven) = GCD(25, 30) = 5</code>。</p>
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</div>
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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 <= 1000</code></li>
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</ul>
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