<p>We are given <code>hours</code>, a list of the number of hours worked per day for a given employee.</p> <p>A day is considered to be a <em>tiring day</em> if and only if the number of hours worked is (strictly) greater than <code>8</code>.</p> <p>A <em>well-performing interval</em> is an interval of days for which the number of tiring days is strictly larger than the number of non-tiring days.</p> <p>Return the length of the longest well-performing interval.</p> <p> </p> <p><strong class="example">Example 1:</strong></p> <pre> <strong>Input:</strong> hours = [9,9,6,0,6,6,9] <strong>Output:</strong> 3 <strong>Explanation: </strong>The longest well-performing interval is [9,9,6]. </pre> <p><strong class="example">Example 2:</strong></p> <pre> <strong>Input:</strong> hours = [6,6,6] <strong>Output:</strong> 0 </pre> <p> </p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= hours.length <= 10<sup>4</sup></code></li> <li><code>0 <= hours[i] <= 16</code></li> </ul>