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  1. bool UsedInBox(int grid[N][N], int boxStartRow, int boxStartCol,int r,int c,int num)
  2. {
  3. 	int flag=0;  //to check if the number is present or not
  4.     for (int row = 0; row < 3; row++)
  5.     {
  6.     	for (int col = 0; col < 3; col++)
  7.         {
  8.         	if (grid[row+boxStartRow][col+boxStartCol] == num)
  9.             {
  10.             	return true;  // saying there is a num already in the box
  11. 			}
  12. 		}
  13. 	}
  14.     r=r%N;  // to find out the row num in that particular box which ranges from 0-2
  15.     c=c%N;  // to find the col num in that partiuclar box which ranges from 0-2
  16. 	int boxnum=boxStartRow/N;  //to find out if it is a top most box of the grid or bottom most box or middle
  17. 	if(boxnum==0) 
  18. 	{
  19. 		for (int row = 0; row<N; row++)
  20.     		{
  21.     			for(int col=0;col<N;col++)
  22.     			{
  23.     				if(grid[row+boxnum+N][col+boxStartCol]==num)
  24.     				{
  25. 	   					flag=1; //if num is present make flag 1
  26.     					if(r==row)// if row in the bottom box matches with the row in the top box
  27. 						{
  28. 	   						return false; // saying that it is valid to insert here
  29. 						}
  30. 					    else //if num is present but rows do not match
  31. 					    return true;					
  32. 					}
  33. 				}
  34. 	   		}
  35. 	   		if(flag==0) //if num is not present
  36. 	   		{
  37. 	   		   return false;
  38. 			}
  39. 	}
  40. 	else if(boxnum==N-1) //if it is a box in the last row
  41. 	{
  42. 		for (int row = 0; row<N; row++)
  43.     		{
  44.     			for(int col=0;col<N;col++)
  45.     			{
  46.     				if(grid[row+boxnum-N][col+boxnum-N]==num) //check for row of the num in the above box
  47.     				{
  48. 	   					flag=1;
  49.     					if(r==row)
  50. 						{
  51. 	   						return false;
  52. 						}
  53. 					    else 
  54. 					    return true;					
  55. 					}
  56. 				}
  57. 	   		}
  58. 	}
  59. 	else  //if it is a box somewhere in between
  60. 	{
  61. 		int flag2=0,flag3=0;
  62. 		for (int row = 0; row<N; row++)
  63.     		{
  64.     			for(int col=0;col<N;col++)
  65.     			{
  66.     				if(grid[row+boxnum+N][col+boxStartCol]==num) //check for the bottom box
  67.     				{
  68.     					flag=1;
  69.     					if(r==row)
  70. 						{
  71. 	   						flag2=1;
  72. 	   						break;
  73. 						}
  74. 						else
  75. 						return true;					
  76. 					}
  77. 				}
  78. 				if(flag2==1)
  79. 				break;
  80. 	   		}
  81. 	   		if(flag==0)
  82. 	   		{
  83. 	   		   flag2=1;
  84. 			}
  85.  
  86.  
  87. 		for (int row = 0; row<N; row++)
  88.     		{
  89.     			for(int col=0;col<N;col++)
  90.     			{
  91.     				if(grid[row+boxnum-N][col+boxnum-N]==num) //check for the top box
  92.     				{
  93. 	   					flag=1;
  94.     					if(r==row)
  95. 						{
  96. 	   						flag3=1;
  97. 	   						break;
  98. 						}
  99. 					    else 
  100. 					    return true;					
  101. 					}
  102. 				}
  103. 				if(flag3==1)
  104. 				break;
  105. 	   		}
  106. 			   if(flag2==1 && flag3==1) //if both the top box and bottom box satisy then return false
  107. 			   return false;
  108. 	}
  109. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:1: error: 'N' was not declared in this scope
prog.cpp:1: error: 'N' was not declared in this scope
prog.cpp: In function 'bool UsedInBox(int, int, int, int, int)':
prog.cpp:8: error: 'grid' was not declared in this scope
prog.cpp:14: error: 'N' was not declared in this scope
prog.cpp:23: error: 'grid' was not declared in this scope
prog.cpp:46: error: 'grid' was not declared in this scope
prog.cpp:66: error: 'grid' was not declared in this scope
prog.cpp:91: error: 'grid' was not declared in this scope
stdout
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Standard output is empty
https://ideone.com/LbWfZz
language:
C++ 4.3.2 (gcc-4.3.2)
created:
8 years ago
visibility:
public

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