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            "title": "Find Kth Largest XOR Coordinate Value",
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            "content": "<p>You are given a 2D <code>matrix</code> of size <code>m x n</code>, consisting of non-negative integers. You are also given an integer <code>k</code>.</p>\n\n<p>The <strong>value</strong> of coordinate <code>(a, b)</code> of the matrix is the XOR of all <code>matrix[i][j]</code> where <code>0 &lt;= i &lt;= a &lt; m</code> and <code>0 &lt;= j &lt;= b &lt; n</code> <strong>(0-indexed)</strong>.</p>\n\n<p>Find the <code>k<sup>th</sup></code> largest value <strong>(1-indexed)</strong> of all the coordinates of <code>matrix</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> matrix = [[5,2],[1,6]], k = 1\n<strong>Output:</strong> 7\n<strong>Explanation:</strong> The value of coordinate (0,1) is 5 XOR 2 = 7, which is the largest value.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> matrix = [[5,2],[1,6]], k = 2\n<strong>Output:</strong> 5\n<strong>Explanation:</strong> The value of coordinate (0,0) is 5 = 5, which is the 2nd largest value.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> matrix = [[5,2],[1,6]], k = 3\n<strong>Output:</strong> 4\n<strong>Explanation:</strong> The value of coordinate (1,0) is 5 XOR 1 = 4, which is the 3rd largest value.</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>m == matrix.length</code></li>\n\t<li><code>n == matrix[i].length</code></li>\n\t<li><code>1 &lt;= m, n &lt;= 1000</code></li>\n\t<li><code>0 &lt;= matrix[i][j] &lt;= 10<sup>6</sup></code></li>\n\t<li><code>1 &lt;= k &lt;= m * n</code></li>\n</ul>\n",
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                    "code": "class Solution {\npublic:\n    int kthLargestValue(vector<vector<int>>& matrix, int k) {\n        \n    }\n};",
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                    "code": "class Solution {\n    public int kthLargestValue(int[][] matrix, int k) {\n        \n    }\n}",
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                    "code": "class Solution(object):\n    def kthLargestValue(self, matrix, k):\n        \"\"\"\n        :type matrix: List[List[int]]\n        :type k: int\n        :rtype: int\n        \"\"\"\n        ",
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                    "code": "public class Solution {\n    public int KthLargestValue(int[][] matrix, int k) {\n        \n    }\n}",
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                    "code": "/**\n * @param {number[][]} matrix\n * @param {number} k\n * @return {number}\n */\nvar kthLargestValue = function(matrix, k) {\n    \n};",
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                    "code": "# @param {Integer[][]} matrix\n# @param {Integer} k\n# @return {Integer}\ndef kth_largest_value(matrix, k)\n    \nend",
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                    "code": "class Solution {\n    func kthLargestValue(_ matrix: [[Int]], _ k: Int) -> Int {\n        \n    }\n}",
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                    "code": "impl Solution {\n    pub fn kth_largest_value(matrix: Vec<Vec<i32>>, k: i32) -> i32 {\n        \n    }\n}",
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                    "code": "(define/contract (kth-largest-value matrix k)\n  (-> (listof (listof exact-integer?)) exact-integer? exact-integer?)\n\n  )",
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            "hints": [
                "Use a 2D prefix sum to precalculate the xor-sum of the upper left submatrix."
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