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  1.  
  2. import java.util.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		Scanner sc= new Scanner(System.in);
  11. 		int t= sc.nextInt();
  12. 		for(int i=0;i<t;i++){
  13. 			int a=sc.nextInt();
  14. 			int b=sc.nextInt();
  15. 			int kingx=sc.nextInt();
  16. 			int kingy=sc.nextInt();
  17. 			int queenx=sc.nextInt();
  18. 			int queeny=sc.nextInt();
  19. 			HashSet<String> attackOnKing = new HashSet<>();
  20. 			HashSet<String> attackOnQueen = new HashSet<>();
  21.  
  22. 			int [][] arr = {{a,b},{-a,b},{a,-b},{-a,-b},
  23. 							{b,a},{-b,a},{b,-a},{-b,-a}
  24. 			};
  25. 			for(int j=0;j<arr.length;j++){
  26. 				int x=arr[j][0];
  27. 				int y=arr[j][1];
  28. 				String kingPosition = Integer.toString(kingx+x)+","+Integer.toString(kingy+y);
  29. 				String queenPosition = Integer.toString(queenx+x)+","+Integer.toString(queeny+y);
  30. 				attackOnKing.add(kingPosition);
  31. 				attackOnQueen.add(queenPosition);
  32. 			}
  33. 			int knightPosition = 0;
  34. 			for(String j:attackOnQueen){
  35. 				if(attackOnKing.contains(j)){
  36. 					knightPosition = knightPosition+1;
  37. 				}
  38. 			}
  39. 			System.out.println(knightPosition);
  40. 		}
  41. 	}
  42. }
Success #stdin #stdout 0.23s 58836KB
comments (?)
stdin
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4
2 1
0 0
3 3
1 1
3 1
1 3
4 4
0 0
8 0
4 2
1 4
3 4
stdout
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2
1
2
0
https://ideone.com/AVJUiy
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

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