# LeetCode: Find Kth Largest Xor Coordinate Value Solution

## Approach

Accumulated XOR

Desc sort

## Implementation

1var kthLargestValue = function (matrix, k) {2 let m = matrix[0].length3 let n = matrix.length45 for (let i = 0; i < n; i++) {6 for (let j = 0; j < m; j++) {7 const up = i - 1 < 0 ? 0 : matrix[i - 1][j]8 const left = j - 1 < 0 ? 0 : matrix[i][j - 1]9 const upleft = j - 1 < 0 || i - 1 < 0 ? 0 : matrix[i - 1][j - 1]10 matrix[i][j] ^= up ^ left ^ upleft11 }12 }1314 return matrix.flat().sort((a, b) => b - a)[k - 1]15}

## Comments

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## Tags

leetcode

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LeetCode: Kth Largest Element In An Array

Jan 24, 2021