HW7.14

 1 import java.util.Scanner;
 2
 3 public class Solution
 4 {
 5     public static void main(String[] args)
 6     {
 7         Scanner input = new Scanner(System.in);
 8         System.out.print("Enter the size for the matrix: ");
 9         int size = input.nextInt();
10
11         input.close();
12
13         int[][] array = new int[size][size];
14         for(int i = 0; i < size; i++)
15         {
16             for(int j = 0; j < size; j++)
17             {
18                 array[i][j] = (int)(Math.random() * 2);
19                 System.out.print(array[i][j] + " ");
20             }
21             System.out.println();
22         }
23
24
25         boolean judgement = true;
26         int falseCount = 0;
27
28         for(int i = 0; i < size; i++)
29         {
30             for(int j = 1; j < size; j++)
31                 if(array[i][j] != array[i][j - 1])
32                 {
33                     judgement = false;
34                     falseCount++;
35                     break;
36                 }
37             if(judgement)
38                 System.out.println("All " + array[i][0] + "s on row " + i);
39             judgement = true;
40         }
41         if(falseCount == size)
42             System.out.println("No same numbers on a row");
43
44         judgement = true;
45         falseCount = 0;
46         for(int i = 0; i < size; i++)
47         {
48             for(int j = 1; j < size; j++)
49                 if(array[j][i] != array[j - 1][i])
50                 {
51                     judgement = false;
52                     falseCount++;
53                     break;
54                 }
55             if(judgement)
56                 System.out.println("All " + array[0][i] + "s on column " + i);
57             judgement = true;
58         }
59         if(falseCount == size)
60             System.out.println("No same numbers on a column");
61
62         judgement = true;
63         for(int i = 1; i < size; i++)
64             if(array[i][i] != array[i - 1][i - 1])
65             {
66                 judgement = false;
67                 break;
68             }
69         if(judgement)
70             System.out.println("All " + array[0][0] + "s on the major diagonal");
71         else
72             System.out.println("No same numbers on the major diagonal");
73
74         judgement = true;
75         for(int i = size - 1; i > 0; i--)
76             if(array[i][size - i - 1] != array[i - 1][size - i])
77             {
78                 judgement = false;
79                 break;
80             }
81         if(judgement)
82             System.out.println("All " + array[size - 1][0] + "s on the sub diagonal");
83         else
84             System.out.println("No same numbers on the sub diagonal");
85     }
86 }