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35 lines
1.2 KiB
HTML
35 lines
1.2 KiB
HTML
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<p>给你一个整数数组 <code>nums</code>,每次 <strong>操作</strong> 会从中选择一个元素并 <strong>将该元素的值减少 1</strong>。</p>
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<p>如果符合下列情况之一,则数组 <code>A</code> 就是 <strong>锯齿数组</strong>:</p>
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<ul>
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<li>每个偶数索引对应的元素都大于相邻的元素,即 <code>A[0] > A[1] < A[2] > A[3] < A[4] > ...</code></li>
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<li>或者,每个奇数索引对应的元素都大于相邻的元素,即 <code>A[0] < A[1] > A[2] < A[3] > A[4] < ...</code></li>
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</ul>
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<p>返回将数组 <code>nums</code> 转换为锯齿数组所需的最小操作次数。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre><strong>输入:</strong>nums = [1,2,3]
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<strong>输出:</strong>2
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<strong>解释:</strong>我们可以把 2 递减到 0,或把 3 递减到 1。
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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 = [9,6,1,6,2]
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<strong>输出:</strong>4
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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 <= 1000</code></li>
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<li><code>1 <= nums[i] <= 1000</code></li>
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</ul>
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