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May 25th, 2019
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  1. #include <iostream>
  2. #include <string>
  3. #include <windows.h>
  4. #include <conio.h>
  5. #include <ctime>
  6. using namespace std;
  7.  
  8. void printArray(int a[5][5])
  9. {
  10. for (int i=0;i<5;i++)
  11. {
  12. for(int j=0;j<5;j++)
  13. {
  14. cout << a[i][j] << " ";
  15. }
  16. cout << endl;
  17. }
  18. }
  19.  
  20. bool isSafe(int a[5][5], int x, int y)
  21. {
  22. if(a[y][x]==1)
  23. return true;
  24. return false;
  25. }
  26.  
  27. void ceksolver(int solver[5][5],int x, int y)
  28. {
  29. int dilewati[5][5] = {{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0}};
  30. dilewati[y][x] = 2;
  31. printArray(dilewati);
  32. }
  33.  
  34. bool BacktrackCoba(int a[5][5], int x, int y, int solver[5][5])
  35. {
  36. if(x==4&&y==4)
  37. {
  38. solver[y][x] = 1;
  39. printArray(solver);
  40. }
  41. else
  42. {
  43. // printArray(solver);
  44. // cout << "============" << endl;
  45. // ceksolver(solver,x,y);
  46. // cout << endl;
  47. // getch();
  48. // system("cls");
  49. if(isSafe(a,x,y)==true && solver[y][x] != 1)
  50. {
  51. solver[y][x] = 1;
  52. if(BacktrackCoba(a,x+1,y,solver)==true) //kanan
  53. {
  54. return true;
  55. }
  56. else if (BacktrackCoba(a,x,y+1,solver)==true) //bawah
  57. {
  58. return true;
  59. }
  60. else if (BacktrackCoba(a,x-1,y,solver)==true) //kiri
  61. {
  62. return true;
  63. }
  64. else if (BacktrackCoba(a,x,y-1,solver)==true) //atas
  65. {
  66. return true;
  67. }
  68. else
  69. {
  70. solver[y][x] = 0;
  71. return false;
  72. }
  73. }
  74. else
  75. {
  76. return false;
  77. }
  78. }
  79. // if(isSafe(a,x,y)==true)
  80. // {
  81. // solver[x][y] = 1;
  82. // if(BacktrackCoba(a,x+1,y,solver)==true)
  83. // {
  84. // return true;
  85. // }
  86. // else if (BacktrackCoba(a,x,y+1,solver)==true)
  87. // {
  88. // return true;
  89. // }
  90. // solver[x][y] = 0;
  91. // return false;
  92. // }
  93. // return false;
  94. }
  95.  
  96. void BacktrackSolver(int a[5][5])
  97. {
  98. int solver[5][5] = {{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0},{0,0,0,0,0}};
  99. // BacktrackCoba(a,0,0,solver);
  100. if(BacktrackCoba(a,0,0,solver)== false)
  101. {
  102. printArray(solver);
  103. }
  104. }
  105.  
  106.  
  107.  
  108. int main()
  109. {
  110. int a[5][5] = {
  111. {1,0,1,1,1},
  112. {1,0,1,0,1},
  113. {1,0,1,1,1},
  114. {1,0,1,0,1},
  115. {1,1,1,0,1}
  116. };
  117. cout << "Map" << endl;
  118. printArray(a);
  119. cout << "========SOLVING========" << endl;
  120. BacktrackSolver(a);
  121. return 0;
  122. }
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