Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. click to show follow up. Subscribe to see which companies asked this question. 给定一个m×n矩阵，如果一个元素是0，则将其所在行和列全部元素变成0。 需要在原矩阵上完成操作。 样例 给出一个矩阵 [ [1, 2], [0, 3] ] 返回 [ [0, 2], [0, 0] ]
