import java.util.*;public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int arr1[][] = new int[n][m]; int arr2[][] = new int[n][m]; for(int i=0;i<n;i++){ for(int j=0;j<m;j++){ arr1[i][j] = sc.nextInt(); } } ...