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Posted By

tjakopec on 01/11/11

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Last Edited at 01/11/11 06:56pm

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bstablo_polje.h

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  1. struct element{
  2.        int label;
  3.        int koristeno;
  4. };
  5. struct bt{
  6.        element elements[10000];
  7. };
  8. typedef int cvor;
  9.  
  10. bt* InitB(int x, bt* T){
  11.     if(T) delete T;
  12.     T = new bt;
  13.     for(int i = 0; i < 10000; i++)
  14.         T->elements[i].koristeno = 0;
  15.     T->elements[1].label = x;
  16.     T->elements[1].koristeno = 1; 
  17.     return T;
  18. }//initB
  19.  
  20. void CreateLeftB(int x, cvor n, bt* T){
  21.      if(T->elements[n].koristeno == 0 || T->elements[2*n].koristeno == 1) {
  22.            cout << "Greska" << endl << endl;
  23.            return;
  24.      }
  25.      T->elements[2*n].koristeno = 1;
  26.      T->elements[2*n].label = x;
  27. }//CreateLeftB
  28.  
  29. void CreateRightB(int x, cvor n, bt* T){
  30.         if(T->elements[n].koristeno == 0 || T->elements[2*n+1].koristeno == 1){
  31.         cout << "Greska" << endl << endl;
  32.         return;
  33.     }
  34.     T->elements[2*n+1].koristeno = 1;
  35.     T->elements[2*n+1].label = x;
  36. }//CreateRightB
  37.  
  38. cvor LeftChildB(cvor n, bt* T){
  39.      if(T->elements[n].koristeno == 0) 
  40.            return 0;
  41.      if(T->elements[2*n].koristeno == 1) 
  42.            return 2*n;
  43.      else return 0;
  44. }//LeftCildB
  45.  
  46. cvor RightChildB(cvor n, bt* T){
  47.      if(T->elements[n].koristeno == 0) return 0;
  48.      if(T->elements[2*n+1].koristeno == 1) return 2*n+1;
  49.      else return 0;
  50. }//RightCildB
  51.  
  52. cvor ParentB(cvor n, bt* T){
  53.      if(n == 1) return 0;
  54.      if(n%2) n--;
  55.      return n/2;
  56. }//ParentB
  57.  
  58. int LabelB(cvor n, bt* T){
  59.           return T->elements[n].label;
  60. }//LabelB
  61.  
  62. void ChangeLabelB(int x, cvor n, bt* T){
  63.      if(T->elements[n].koristeno == 0) return;
  64.      T->elements[n].label = x;
  65. }//ChangeLabelB
  66.  
  67. cvor RootB(bt* T){
  68.      if(T->elements[1].koristeno == 0) return 0;
  69.      return 1;
  70. }//RootB
  71.  
  72. void DeleteB(cvor n, bt* T){
  73.     T->elements[n].koristeno = 0;
  74.         if (LeftChildB(n, T)) DeleteB(LeftChildB(n, T), T);
  75.         if (RightChildB(n, T)) DeleteB(RightChildB(n, T), T);
  76. }//DeleteB

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