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49 lines
1.7 KiB
HTML
49 lines
1.7 KiB
HTML
<p>An array is considered <strong>special</strong> if every pair of its adjacent elements contains two numbers with different parity.<!-- notionvc: e6bed0fa-c67d-43a7-81b4-99fb85b99e98 --></p>
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<p>You are given an array of integers <code>nums</code>. Return <code>true</code> if <code>nums</code> is a <strong>special</strong> array, otherwise, return <code>false</code>.</p>
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<p> </p>
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<p><strong class="example">Example 1:</strong></p>
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<div class="example-block">
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<p><strong>Input:</strong> <span class="example-io">nums = [1]</span></p>
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<p><strong>Output:</strong> <span class="example-io">true</span></p>
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<p><strong>Explanation:</strong></p>
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<p>There is only one element. So the answer is <code>true</code>.</p>
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</div>
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<p><strong class="example">Example 2:</strong></p>
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<div class="example-block">
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<p><strong>Input:</strong> <span class="example-io">nums = [2,1,4]</span></p>
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<p><strong>Output:</strong> <span class="example-io">true</span></p>
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<p><strong>Explanation:</strong></p>
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<p>There is only two pairs: <code>(2,1)</code> and <code>(1,4)</code>, and both of them contain numbers with different parity. So the answer is <code>true</code>.</p>
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</div>
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<p><strong class="example">Example 3:</strong></p>
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<div class="example-block">
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<p><strong>Input:</strong> <span class="example-io">nums = [4,3,1,6]</span></p>
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<p><strong>Output:</strong> <span class="example-io">false</span></p>
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<p><strong>Explanation:</strong></p>
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<p><code>nums[1]</code> and <code>nums[2]</code> are both odd. So the answer is <code>false</code>.</p>
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</div>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>1 <= nums.length <= 100</code></li>
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<li><code>1 <= nums[i] <= 100</code></li>
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</ul>
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