请编写一个算法，若MxN矩阵中某个元素为0，则将其所在的行与列清零。 给定一个MxN的int[][]矩阵(C++中为vector)mat和矩阵的阶数n，请返回完成操作后的int[][]矩阵(C++中

矩阵中某个元素为0，则将其所在的行与列清零。 给定一个MxN的int[][]矩阵(C++中为vector)mat和矩阵的阶数n，请返回完成操作后的int[][]矩阵(C++中"/>

请编写一个算法，若MxN矩阵中某个元素为0，则将其所在的行与列清零。 给定一个MxN的int[][]矩阵(C++中为vector)mat和矩阵的阶数n，请返回完成操作后的int[][]矩阵(C++中

请编写一个算法，若MxN矩阵中某个元素为0，则将其所在的行与列清零。
给定一个MxN的int[][]矩阵(C++中为vector>)mat和矩阵的阶数n，请返回完成操作后的int[][]矩阵(C++中为vector>)，保证n小于等于300，矩阵中的元素为int范围内。
测试样例：
[[1,2,3],[0,1,2],[0,0,1]]
返回：[[0,0,3],[0,0,0],[0,0,0]]

package Question1_7;import CtCILibrary.AssortedMethods;public class Question {public static void nullifyRow(int[][] matrix, int row) {for (int j = 0; j < matrix[0].length; j++) {matrix[row][j] = 0;}       }public static void nullifyColumn(int[][] matrix, int col) {for (int i = 0; i < matrix.length; i++) {matrix[i][col] = 0;}       }       public static void setZeros2(int[][] matrix) {boolean rowHasZero = false;boolean colHasZero = false;     // Check if first row has a zerofor (int j = 0; j < matrix[0].length; j++) {if (matrix[0][j] == 0) {rowHasZero = true;break;}}       // Check if first column has a zerofor (int i = 0; i < matrix.length; i++) {if (matrix[i][0] == 0) {colHasZero = true;break;}}       // Check for zeros in the rest of the arrayfor (int i = 1; i < matrix.length; i++) {for (int j = 1; j < matrix[0].length;j++) {if (matrix[i][j] == 0) {matrix[i][0] = 0;matrix[0][j] = 0;}}}       // Nullify rows based on values in first columnfor (int i = 1; i < matrix.length; i++) {if (matrix[i][0] == 0) {nullifyRow(matrix, i);}}       // Nullify columns based on values in first rowfor (int j = 1; j < matrix[0].length; j++) {if (matrix[0][j] == 0) {nullifyColumn(matrix, j);}}   // Nullify first rowif (rowHasZero) {nullifyRow(matrix, 0);}// Nullify first columnif (colHasZero) {nullifyColumn(matrix, 0);}}   public static void setZeros(int[][] matrix) {boolean[] row = new boolean[matrix.length]; boolean[] column = new boolean[matrix[0].length];// Store the row and column index with value 0for (int i = 0; i < matrix.length; i++) {for (int j = 0; j < matrix[0].length;j++) {if (matrix[i][j] == 0) {row[i] = true; column[j] = true;}}}// Nullify rowsfor (int i = 0; i < row.length; i++) {if (row[i]) {nullifyRow(matrix, i);}}// Nullify columnsfor (int j = 0; j < column.length; j++) {if (column[j]) {nullifyColumn(matrix, j);}}}   public static boolean matricesAreEqual(int[][] m1, int[][] m2) {if (m1.length != m2.length || m1[0].length != m2[0].length) {return false;}for (int k = 0; k < m1.length; k++) {for (int j = 0; j < m1[0].length; j++) {if (m1[k][j] != m2[k][j]) {return false;}}}   return true;}public static int[][] cloneMatrix(int[][] matrix) {int[][] c = new int[matrix.length][matrix[0].length];for (int i = 0; i < matrix.length; i++) {for (int j = 0; j < matrix[0].length; j++) {c[i][j] = matrix[i][j];}}return c;}public static void main(String[] args) {int nrows = 10;int ncols = 15;int[][] matrix1 = AssortedMethods.randomMatrix(nrows, ncols, 0, 100);       int[][] matrix2 = cloneMatrix(matrix1);AssortedMethods.printMatrix(matrix1);setZeros(matrix1);setZeros2(matrix2);System.out.println();AssortedMethods.printMatrix(matrix1);System.out.println();AssortedMethods.printMatrix(matrix2);if (matricesAreEqual(matrix1, matrix2)) {System.out.println("Equal");} else {System.out.println("Not Equal");}}
}