Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.

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public class Solution {
	public void setZeroes(int[][] matrix) {
		int row = matrix.length;
		int column = matrix[0].length;
		int[][] clone = new int[row][column];
		for (int i = 0; i < row; i++) {
			for (int j = 0; j < column; j++) {
				clone[i][j] = matrix[i][j];
			}
		}
		for (int i = 0; i < row; i++) {
			for (int j = 0; j < column; j++) {
				if (clone[i][j] == 0) {
					for (int k = 0; k < row; k++)
						matrix[k][j] = 0;
					for (int k = 0; k < column; k++)
						matrix[i][k] = 0;
				}
			}
		}
	}
}

[LeetCode]Set Matrix Zeroes