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igotepava on 01/18/15

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Last Edited at 01/18/15 06:47am

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binarno_stablo_pokazivac.h

/ Published in: C++
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Implementacija binarnog stabla pomoću pokazivača.

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  1. struct node{
  2. 	int label;
  3. 	node *left, *right;
  4. };
  5.  
  6. node *InitB(int x, node *T){
  7. 	T = new node;
  8. 	T->left = T->right = NULL;
  9. 	T->label = x;
  10. 	return T;
  11. }
  12.  
  13. node *RootB(node *T){
  14. 	return T;
  15. }
  16.  
  17. node *ParentB(int n, node *T){
  18. 	if(T->label == n) return NULL;
  19. 	if(T->left){
  20. 		if(T->left->label == n) return T;
  21. 		ParentB(n, T->left);
  22. 	}
  23. 	if(T->right){
  24. 		if(T->right->label == n) return T;
  25. 		ParentB(n, T->right);
  26. 	}
  27. }
  28.  
  29. node *LeftChildB(node *T){
  30. 	return T->left;
  31. }
  32.  
  33. node *RightChildB(node *T){
  34. 	return T->right;
  35. }
  36.  
  37. int LabelB(node *T){
  38. 	return T->label;
  39. }
  40.  
  41. void ChangeLabelB(int x, node *T){
  42. 	T->label = x;
  43. }
  44.  
  45. void CreateLeftB(int x, node *T){
  46. 	if(T->left) cout << "Cvor vec ima dijete!\n";
  47. 	else{
  48. 		node *novi = new node;
  49. 		novi->label = x;
  50. 		novi->left = novi->right = NULL;
  51. 		T->left = novi;
  52. 	}
  53. }
  54.  
  55. void CreateRightB(int x, node *T){
  56. 	if(T->right) cout << "Cvor vec ima dijete!\n";
  57. 	else{
  58. 		node *novi = new node;
  59. 		novi->label = x;
  60. 		novi->left = novi->right = NULL;
  61. 		T->right = novi;
  62. 	}
  63. }
  64.  
  65. void DeleteB(node *n, node *T){
  66. 	if(n->left != NULL) DeleteB(n->left, T);
  67. 	if(n->right != NULL) DeleteB(n->right, T);
  68. 	delete n;
  69. }

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