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  1. class Box {
  2. 	int height;
  3. 	int width;
  4. 	int[][] a;
  5.  
  6. 	public Box(int height) {
  7. 		this.height = height;
  8. 		this.width = height;
  9. 		a = new int[height][width];
  10. 		for (int i = 0; i < height; i++)
  11. 			for (int j = 0; j < width; j++)
  12. 				a[i][j] = 0;
  13. 	}
  14.  
  15. 	public void printBox() {
  16. 		for (int i = 0; i < height; i++) {
  17. 			for (int j = 0; j < width; j++)
  18. 				System.out.print(a[i][j]);
  19. 			System.out.println();
  20. 		}
  21. 		System.out.println();
  22. 	}
  23.  
  24. 	public void plus(int[] i, int[] j) {
  25. 		for (int n = 0; n < i.length; n++)
  26. 			plus(i[n], j[n]);
  27. 	}
  28.  
  29. 	public void plus(int i, int j) {
  30. 		if (inBounds(i) && inBounds(j))
  31. 			a[i][j] = (a[i][j] + 1) % 2;
  32. 		if (inBounds(i - 1) && inBounds(j))
  33. 			a[i - 1][j] = (a[i - 1][j] + 1) % 2;
  34. 		if (inBounds(i) && inBounds(j - 1))
  35. 			a[i][j - 1] = (a[i][j - 1] + 1) % 2;
  36. 		if (inBounds(i + 1) && inBounds(j))
  37. 			a[i + 1][j] = (a[i + 1][j] + 1) % 2;
  38. 		if (inBounds(i) && inBounds(j + 1))
  39. 			a[i][j + 1] = (a[i][j + 1] + 1) % 2;
  40. 	}
  41.  
  42. 	public boolean inBounds(int n) {
  43. 		return n >= 0 && n < height;
  44. 	}
  45. }
  46. public class Main
  47. {
  48. 	public static void main(String[] args) {
  49. 		Box b = new Box(5);
  50. 		b.printBox();
  51. 		int[] i = { 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 4 };
  52. 		int[] j = { 0, 2, 4, 1, 3, 0, 4, 1, 3, 0, 2, 4 };
  53. 		b.plus(i, j);
  54. 		b.printBox();
  55. 	}
  56. }
Success #stdin #stdout 0.08s 380160KB
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00000
00000
00000
00000
00000

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https://ideone.com/8543R3
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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