fork download
copy 
  1. public class BichromePainting
  2. {
  3.  
  4. 	int n;
  5. 	char[][] board;
  6.  
  7. 	public String isThatPossible(String[] _board, int k)
  8. 	{
  9. 		n = _board.length;
  10. 		board = new char[n][n];
  11. 		for(int i = 0; i < n; i++)
  12. 			for(int j = 0; j < n; j++)
  13. 				board[i][j] = _board[i].charAt(j);
  14. 		while(true)
  15. 		{
  16. 			boolean find = false;
  17. 			for(int i = 0; i+k <= n; i++)
  18. 				for(int j = 0; j+k <= n; j++)
  19. 				{
  20. 					boolean haveBlack = false;
  21. 					boolean haveWhite = false;
  22. 					for(int di = 0; di < k; di ++)
  23. 						for(int dj = 0; dj < k; dj ++)
  24. 						{
  25. 							if(board[i+di][j+dj] == 'W')
  26. 								haveWhite = true;
  27. 							if(board[i+di][j+dj] == 'B')
  28. 								haveBlack = true;
  29. 						}
  30. 					if(haveBlack != haveWhite)
  31. 					{
  32. 						find = true;
  33. 						for(int di = 0; di < k; di ++)
  34. 							for(int dj = 0; dj < k; dj ++)
  35. 								board[i+di][j+dj] = '?';
  36. 					}
  37. 				}
  38.  
  39. 			if(!find)
  40. 				break;
  41. 		}
  42. 		for(int i = 0; i < n; i++)
  43. 			for(int j = 0; j < n; j++)
  44. 				if(board[i][j] == 'B')
  45. 					return "Impossible";
  46. 		return "Possible";
  47. 	}
  48.  
  49. }
  50.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
Main.java:1: error: class BichromePainting is public, should be declared in a file named BichromePainting.java
public class BichromePainting
       ^
1 error
stdout
copy 
Standard output is empty
https://ideone.com/xM13nh
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!