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leetcode/problem/minimum-array-end.html
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leetcode/problem/minimum-array-end.html
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<p>You are given two integers <code>n</code> and <code>x</code>. You have to construct an array of <strong>positive</strong> integers <code>nums</code> of size <code>n</code> where for every <code>0 <= i < n - 1</code>, <code>nums[i + 1]</code> is <strong>greater than</strong> <code>nums[i]</code>, and the result of the bitwise <code>AND</code> operation between all elements of <code>nums</code> is <code>x</code>.</p>
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<p>Return the <strong>minimum</strong> possible value of <code>nums[n - 1]</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">n = 3, x = 4</span></p>
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<p><strong>Output:</strong> <span class="example-io">6</span></p>
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<p><strong>Explanation:</strong></p>
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<p><code>nums</code> can be <code>[4,5,6]</code> and its last element is 6.</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">n = 2, x = 7</span></p>
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<p><strong>Output:</strong> <span class="example-io">15</span></p>
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<p><strong>Explanation:</strong></p>
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<p><code>nums</code> can be <code>[7,15]</code> and its last element is 15.</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 <= n, x <= 10<sup>8</sup></code></li>
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</ul>
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