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  1. class Ideone
  2. {
  3. 	private static int[][][] cartesianProduct(int[] A, int[] B) { 
  4. 		int width = B.length;
  5. 		int height = A.length;
  6. 		int[][][] result = new int[height][width][2];
  7. 		for (int ai = 0; ai < height; ai++) {
  8. 			for (int bi = 0; bi < width; bi++) {
  9. 				result[ai][bi][0] = A[ai];
  10. 				result[ai][bi][1] = B[bi];
  11. 			}
  12. 		}
  13. 		return result;
  14. 	}
  15.  
  16. 	public static void main (String[] args)
  17. 	{
  18. 		int[] B = {4, 2, 3};
  19. 		int[] a2 = {2, 5};
  20. 		int[][][] product = cartesianProduct(B, a2);
  21. 		System.out.println(productString(product));
  22. 	}
  23.  
  24. 	private static String productString(int[][][] p) {
  25. 		String s = "";
  26. 		for (int ai = 0; ai < p.length; ai++) {
  27. 			for (int bi = 0; bi < p[ai].length; bi++) {
  28. 				s += "(" + p[ai][bi][0] + "," + p[ai][bi][1] + ") ";
  29. 			}
  30. 			s += "\n";
  31. 		}
  32. 		return s;
  33. 	}
  34. }
Success #stdin #stdout 0.05s 4386816KB
comments (?)
stdin 
Standard input is empty
stdout 
(4,2) (4,5) 
(2,2) (2,5) 
(3,2) (3,5)
https://ideone.com/tRYLCN
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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