C#检查两个矩阵是否相同

using System;

namespace Demo {
   public class ApplicationOne {
      public static void Main() {
         int[, ] arr1 = new int[10, 10];
         int[, ] arr2 = new int[10, 10];
         int flag = 1;
         int i, j, row1, col1, row2, col2;

         Console.Write(Rows in the 1st matrix: );
         row1 = Convert.ToInt32(Console.ReadLine());
         Console.Write(Columns in the 1st matrix: );
         col1 = Convert.ToInt32(Console.ReadLine());

         Console.Write(Rows in the 2nd matrix: );
         row2 = Convert.ToInt32(Console.ReadLine());
         Console.Write(Columns in the 2nd matrix: );
         col2 = Convert.ToInt32(Console.ReadLine());

         Console.Write(Elements in the first matrix:\n);
         for (i = 0; i < row1; i++) {
            for (j = 0; j < col1; j++) {
               Console.Write(element - [{0}],[{1}] : , i, j);
               arr1[i, j] = Convert.ToInt32(Console.ReadLine());
            }
         }

         Console.Write(Elements in the second matrix:\n);
         for (i = 0; i < row2; i++) {
            for (j = 0; j < col2; j++) {
               Console.Write(element - [{0}],[{1}] : , i, j);
               arr2[i, j] = Convert.ToInt32(Console.ReadLine());
            }
         }

         Console.Write(Matrix 1:\n);
         for (i = 0; i < row1; i++) {
            for (j = 0; j < col1; j++)
            Console.Write({0} , arr1[i, j]);
            Console.Write(\n);
         }

         Console.Write(Matrix 2:\n);
         for (i = 0; i < row2; i++) {
            for (j = 0; j < col2; j++)
            Console.Write({0} , arr2[i, j]);
            Console.Write(\n);
         }

         if (row1 != row2 && col1 != col2) {
            Console.Write(Matrices can't be compared:\n);
         } else {
            Console.Write(Comparison of Matrices: \n);

         for (i = 0; i < row1; i++) {
            for (j = 0; j < col2; j++) {
               if (arr1[i, j] != arr2[i, j]) {
                  flag = 0;
                  break;
               }
            }
         }

         if (flag == 1)
            Console.Write(Our matrices are equal!\n\n);
         else
            Console.Write(Our matrices are not equal!);
         }
      }
   }
}