/**
* @param {number[][]} matrix
* @param {number} k
* @return {number}
*/
var kthSmallest = function(matrix, k) {
matrix = [].concat(...matrix);
matrix.sort((a, b) => a - b);
return matrix[k - 1];
};
复制代码
转载于:https://juejin.im/post/5c2ddd21518825741e7c45f6