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  1.  
  2. #include <bits/stdc++.h>
  3. #define lli long long int
  4. using namespace std;
  5.  
  6. /*
  7. Ways are something like this :
  8.  
  9. 	for number 10 :
  10.  
  11.     |--------O-2-O                             = 8
  12.     |             \
  13.     |        O-O-O-O-2-O                       = 4
  14.     |                   \
  15.     |--------O-O-O-O-O-O-O-2-O                 = 2
  16.     |                         \ 
  17.     |        O-O-O-O-O-O-O-O-O-O- {Node 2}     = 1
  18.  {Node 1}
  19.  
  20. */
  21.  
  22. bool ans[1005][1005];
  23.  
  24. int firstID[35];
  25. int lastID[35];
  26.  
  27. void createWays()
  28. {
  29. 	int startID[35];
  30.  
  31. 	int id = 3;
  32. 	for (int i=0,k=31 ; i<=31 ; i++,k--)		// create bottom to up
  33. 	{
  34. 		firstID[i] = id;		// set an id for first element in this row
  35.  
  36. 		for (int j=0 ; j<k ; j++)				// create simple roads
  37. 		{
  38. 			ans[id][id+1] = ans[id+1][id+2] = 1;
  39. 			id+=2;
  40. 		}
  41.  
  42. 		startID[i] = id;						// start of 2 way road
  43.  
  44. 		if (i!=0)								// create 2 way road
  45. 		{
  46. 			ans[id][id+1] = ans[id][id+2] = 1;
  47. 			ans[id+1][id+3] = ans[id+2][id+3] = 1;
  48. 			id+=3;
  49. 		}
  50.  
  51. 		lastID[i] = id;			// last of this row
  52.  
  53. 		if (i == 0)
  54. 		{
  55. 			ans[ lastID[i] ][ 2 ] = 1;
  56. 		}
  57. 		else
  58. 		{
  59. 			ans[ lastID[i] ][ startID[i-1] ] = 1;
  60. 		}
  61.  
  62. 		id++;
  63. 		cout<<id<<"\n";
  64. 	}
  65.  
  66.  
  67. 	for (int i=1 ; i<=1000 ; i++)				// make symmetric
  68. 		for (int j=1 ; j<=1000 ; j++)
  69. 			ans[i][j] = ans[i][j] | ans[j][i];
  70. }
  71.  
  72. int main()
  73. {
  74. 	createWays();
  75.  
  76. 	int k;
  77. 	cin>>k;
  78.  
  79. 	int i=0;
  80. 	while (i<32)
  81. 	{
  82. 		if ( (1<<i) & k )		// connect
  83. 		{
  84. 			ans[1][ firstID[i] ] = 1;
  85. 			ans[ firstID[i] ][1] = 1;
  86. 		}
  87. 		i++;
  88. 	}
  89.  
  90. 	for (int i=1 ; i<=1000 ; i++)
  91. 	{
  92. 		for (int j=1 ; j<=1000 ; j++)
  93. 		{
  94.  
  95. 		}
  96. 	}
  97.  
  98. 	return 0;
  99. }
Runtime error #stdin #stdout 0s 4444KB
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https://ideone.com/BneOKH
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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