<p>Given an integer array <code>nums</code>, return <code>true</code> if any value appears <strong>at least twice</strong> in the array, and return <code>false</code> if every element is distinct.</p> <p> </p> <p><strong>Example 1:</strong></p> <pre><strong>Input:</strong> nums = [1,2,3,1] <strong>Output:</strong> true </pre><p><strong>Example 2:</strong></p> <pre><strong>Input:</strong> nums = [1,2,3,4] <strong>Output:</strong> false </pre><p><strong>Example 3:</strong></p> <pre><strong>Input:</strong> nums = [1,1,1,3,3,4,3,2,4,2] <strong>Output:</strong> true </pre> <p> </p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= nums.length <= 10<sup>5</sup></code></li> <li><code>-10<sup>9</sup> <= nums[i] <= 10<sup>9</sup></code></li> </ul>