<p>Given a non-negative integer <code>c</code>, decide whether there're two integers <code>a</code> and <code>b</code> such that <code>a<sup>2</sup> + b<sup>2</sup> = c</code>.</p> <p> </p> <p><strong class="example">Example 1:</strong></p> <pre> <strong>Input:</strong> c = 5 <strong>Output:</strong> true <strong>Explanation:</strong> 1 * 1 + 2 * 2 = 5 </pre> <p><strong class="example">Example 2:</strong></p> <pre> <strong>Input:</strong> c = 3 <strong>Output:</strong> false </pre> <p> </p> <p><strong>Constraints:</strong></p> <ul> <li><code>0 <= c <= 2<sup>31</sup> - 1</code></li> </ul>