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  1. #include <iostream>
  2. using namespace std;
  3. #define N 20
  4. int hc[N][N];
  5.  
  6. void printArray()
  7. {
  8. 	for(int i = 0; i < N; i++) 
  9. 	{
  10. 		for(int j = 0; j < N; j++)
  11. 		if(hc[i][j])
  12. 			printf("%3d  ", hc[i][j]);
  13. 		else 
  14. 			printf("     ");
  15. 		cout << endl;
  16. 	}
  17. }
  18.  
  19. void fillArray( int &i, int &j, string directions[], int n, int round, int &num)
  20. {
  21. 	int flag = 1;
  22.     for (int k = 0; k < n; k++)
  23.     {
  24.     	string dir = directions[k];
  25.  
  26.     	for(int m = 0 ; (m < round) && flag; m++)
  27. 		{
  28. 	    	//cout << dir << endl;
  29. 	        if (dir=="S") i += 2, m++;
  30. 	        else if (dir=="N") i -= 2;
  31. 	        else if (dir=="W") j -= 2;
  32. 	        else if (dir=="E") j += 2;
  33. 	        else if (dir=="NW")
  34. 	            j -=1, i -=1;
  35. 	        else if (dir=="NE")
  36. 	            j +=1, i -=1;
  37. 	        else if (dir=="SE")
  38. 	            j +=1, i +=1;
  39. 	        else if (dir=="SW")
  40. 	            j -=1, i +=1, m++;
  41.  
  42. 	        hc[i][j] = num;
  43. 	        num += 1;
  44. 	        //flag = 0;
  45. 		}
  46.     }
  47. }
  48.  
  49. int main() 
  50. {
  51. 	int i = N/2;
  52.     int j = N/2;
  53.     int num = 1;
  54.     hc[i][j] = num;
  55.     num += 1;
  56. 	int round = 1;
  57.  
  58. 	string directions1[] = {"S", "NW", "N", "NE", "SE", "S" };
  59. 	int n = sizeof(directions1)/sizeof(directions1[0]);
  60.     fillArray(i, j, directions1, n, round, num);
  61.  
  62.     string directions2[] = {"S", "SW", "NW", "N", "NE", "SE", "S"};
  63.     n = sizeof(directions2)/sizeof(directions2[0]);
  64.  
  65.     while(num < 36)
  66.     {
  67.     	round++;
  68.     	fillArray(i, j, directions2, n, round, num);
  69.     }
  70.  
  71.     printArray();
  72. 	// your code goes here
  73. 	return 0;
  74. }
Success #stdin #stdout 0s 3464KB
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                                                   31                                               
                                              30        32                                          
                                         29        15        33                                     
                                    28        14        16        34                                
                                         13         5        17                                     
                                    27         4         6        35                                
                                         12         1        18                                     
                                    26         3         7        36                                
                                         11         2        19                                     
                                    25        10         8                                          
                                         24         9        20                                     
                                              23        21                                          
                                                   22
https://ideone.com/mbs6E2
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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