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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. public class Main
  9. {
  10. 	public static boolean chess[][];
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 	  chess=new boolean[8][8];
  14. 	  chess[0][0]=true;
  15. 	  for(int i=0;i<8;i++){
  16. 	  	for(int j=0;j<8;j++){
  17.  
  18. 	  	if(!checkrow(i)&&!checkcolumn(j)&&!checkdiagonals(i,j)&&!checkknight(i,j)){
  19. 	  	if(i!=0||j!=0)
  20. 	    	chess[i][j]=true;
  21. 	  	}
  22. 	  	}
  23. 	  }
  24. 	  for(int i = 0; i < 8; i++)
  25.    {
  26.       for(int j = 0; j < 8; j++)
  27.       {
  28.          System.out.print(((chess[i][j])?"T":"x")+"|");
  29.       }
  30.       System.out.println();
  31.    }
  32. 	}
  33. 	public static boolean checkrow(int a){
  34. 		for(int i=0;i<8;i++){
  35. 			if(chess[a][i])return true;
  36. 		}
  37. 		return false;
  38. 	}
  39. 	public static boolean checkcolumn(int a){
  40. 		for(int i=0;i<8;i++){
  41. 			if(chess[i][a])return true;
  42. 		}
  43. 		return false;
  44. 	}
  45. 	public static boolean checkdiagonals(int pi,int pj){
  46. 		int i =pi- Math.min(pi,pj);
  47. 		int j =pj- Math.min(pi,pj);
  48. 		for(int k=i,l=j;k<8&&l<8;k++,l++){
  49. 			if(chess[k][l])return true;
  50. 		}
  51. 		int i_2 =pi- Math.min(pi,pj);
  52. 		int j_2 =pj+ Math.min(pi,pj);
  53. 		for(int k=i_2,l=j_2;k<8&&l>1;k++,l--){
  54. 			if(chess[k][l])return true;
  55. 		}
  56. 		return false;
  57. 	}
  58. 	public static boolean checkknight(int pi,int pj){
  59. 		for(int i=-1;i<=1;i++){
  60. 			for(int j=-1;j<=1;j++){
  61. 				System.out.print(i+""+j);
  62. 			if(0<=pi+2*i&&pi+2*i<8&&0<=pj+j&&pj+j<8)
  63. 			if(chess[pi+2*i][pj+j])return true;
  64. 			if(0<=pi+i&&pi+i<8&&0<=pj+2*j&&pj+2*j<8)
  65. 			if(chess[pi+i][pj+2*i])return true;
  66. 			}
  67. 		}
  68. 		return false;
  69. 	}
  70. }
Runtime error #stdin #stdout #stderr 0.08s 380160KB
comments (?)
stdin
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Standard input is empty
stdout
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-1-1-1-1-10-110-100011-11011-1-1-1-1
stderr
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Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 8
	at Main.checkdiagonals(Main.java:54)
	at Main.main(Main.java:18)
https://ideone.com/gChD8a
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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