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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int n = 3;
  13. 		int primDiag = 0;
  14.         int seconDiag = 0;
  15.         int[][] matrix = new int[n][n];
  16.         for (int i = 0; i < n; ++i) {
  17.             for (int j = 0; j < n; ++j) {
  18.             matrix[i][j] = (int)(Math.random() * 3);
  19.             }
  20.         }
  21.  
  22.         for (int k = 0; k < n; ++k) {
  23.             for (int l = 0; l < n; ++l) {
  24.                 if (k == l) {
  25.                 primDiag =+ matrix[k][l];
  26.                 System.out.println(matrix[k][l]);
  27.               // ++k;
  28.              //  ++l;
  29.                     }
  30.             }
  31.         }
  32.        for (int m = 0; m < n; ++m) {
  33.            for (int o = n - 1; o >= 0; --o) {
  34.                 seconDiag = matrix[m][o];
  35.               // ++m;
  36.              // ++o;
  37.            }
  38.            System.out.println(seconDiag);
  39.        }
  40.         System.out.print(Math.abs(primDiag - seconDiag));
  41.  
  42. 	}
  43. }
Success #stdin #stdout 0.03s 4386816KB
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https://ideone.com/3FTUaJ
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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