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            "title": "Longest Well-Performing Interval",
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            "content": "<p>We are given <code>hours</code>, a list of the number of hours worked per day for a given employee.</p>\n\n<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>\n\n<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>\n\n<p>Return the length of the longest well-performing interval.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> hours = [9,9,6,0,6,6,9]\n<strong>Output:</strong> 3\n<strong>Explanation: </strong>The longest well-performing interval is [9,9,6].\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> hours = [6,6,6]\n<strong>Output:</strong> 0\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= hours.length &lt;= 10<sup>4</sup></code></li>\n\t<li><code>0 &lt;= hours[i] &lt;= 16</code></li>\n</ul>\n",
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            "categoryTitle": "Algorithms",
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                {
                    "name": "Array",
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                {
                    "name": "Hash Table",
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                    "name": "Stack",
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                    "name": "Monotonic Stack",
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                    "name": "Prefix Sum",
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                    "code": "class Solution {\npublic:\n    int longestWPI(vector<int>& hours) {\n        \n    }\n};",
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                    "code": "class Solution {\n    public int longestWPI(int[] hours) {\n        \n    }\n}",
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                    "lang": "Python",
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                    "code": "class Solution(object):\n    def longestWPI(self, hours):\n        \"\"\"\n        :type hours: List[int]\n        :rtype: int\n        \"\"\"\n        ",
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                    "lang": "Python3",
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                    "code": "class Solution:\n    def longestWPI(self, hours: List[int]) -> int:\n        ",
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                    "lang": "C",
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                    "code": "int longestWPI(int* hours, int hoursSize) {\n    \n}",
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                    "code": "public class Solution {\n    public int LongestWPI(int[] hours) {\n        \n    }\n}",
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                    "lang": "JavaScript",
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                    "code": "/**\n * @param {number[]} hours\n * @return {number}\n */\nvar longestWPI = function(hours) {\n    \n};",
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                    "code": "function longestWPI(hours: number[]): number {\n    \n};",
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                    "code": "class Solution {\n\n    /**\n     * @param Integer[] $hours\n     * @return Integer\n     */\n    function longestWPI($hours) {\n        \n    }\n}",
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                    "code": "class Solution {\n    func longestWPI(_ hours: [Int]) -> Int {\n        \n    }\n}",
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                    "code": "class Solution {\n    fun longestWPI(hours: IntArray): Int {\n        \n    }\n}",
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                    "code": "func longestWPI(hours []int) int {\n    \n}",
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                    "code": "# @param {Integer[]} hours\n# @return {Integer}\ndef longest_wpi(hours)\n    \nend",
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                    "code": "impl Solution {\n    pub fn longest_wpi(hours: Vec<i32>) -> i32 {\n        \n    }\n}",
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            "hints": [
                "Make a new array A of +1/-1s corresponding to if hours[i] is > 8 or not. The goal is to find the longest subarray with positive sum.",
                "Using prefix sums (PrefixSum[i+1] = A[0] + A[1] + ... + A[i]), you need to find for each j, the smallest i < j with PrefixSum[i] + 1 == PrefixSum[j]."
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