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Revision: 38572
at January 5, 2011 06:03 by sara


Initial Code
#include <stdlib.h>
#define ARRAYSIZE 1000000
#define Null -1
typedef int labeltype;

struct element {
    labeltype label;
    int used;
};

typedef struct bt {
    struct element elements[ARRAYSIZE];
}*btree;

typedef int node;

btree InitB (labeltype x){
    btree myBTree;
    int i;

    myBTree=(btree)malloc(sizeof(struct bt));
    for(i=1; i<ARRAYSIZE; i++){
        if(i==1){
                myBTree->elements[i].label=x;
                myBTree->elements[i].used=1;
        }else{
            myBTree->elements[i].used=0;
        }
    }

    return myBTree;
}

node RootB(btree T){
    return 1;
}

node ParrentB(node n, btree T){
    if(n==1){
        printf("Zatrazili ste roditelja korjenskog cvora\n");
        return Null;
    }

    if(T->elements[n].used==0){
        printf("Ne postoji taj cvor u stablu\n");
        exit(1);
    }

    return (n/2);
}

node LeftChildB(node n, btree T){
    node child;
    child=n*2;
    if (child > ARRAYSIZE-1){
        printf("\nPolje nije toliko veliko\n");
        return Null;
        //exit(1);
    }
    
    if(T->elements[child].used==0){
        return Null;
    }else{
        return child;
    }
}

node RightChildB(node n, btree T){
    node child;
    child=(n*2)+1;
    if (child > ARRAYSIZE-1){
        printf("\nPolje nije toliko veliko\n");
        return Null;
        //exit(1);
    }

    if(T->elements[child].used==0){
        return Null;
    }else{
        return child;
    }
}

labeltype LabelB(node n, btree T){
    if(T->elements[n].used==0){
        printf("Nepostojeci cvor u stablu\n");
        exit(1);
    }else{
        return T->elements[n].label;
    }
}

void ChangeLabelB(labeltype x, node n, btree T){
    if(T->elements[n].used==0){
        printf("Nepostojeci cvor u stablu\n");
        exit(1);
    }else{
        T->elements[n].label=x;
    }
}

void CreateLeftB(labeltype x, node n, btree T){
    node child;
    child=n*2;
    if (child > ARRAYSIZE-1){
        printf("\nPolje nije toliko veliko\n");
        return;
        //exit(1);
    }

    if(T->elements[child].used==1){
        printf("Lijevo dijete ovog cvora vec postoji\n");
        exit(1);
    }else{
        T->elements[child].used=1;
        T->elements[child].label=x;
    }
}

void CreateRightB(labeltype x, node n, btree T){
    node child;
    child=(n*2)+1;
    if (child > ARRAYSIZE-1){
        printf("\nPolje nije toliko veliko\n");
        return;
        //exit(1);
    }

    if(T->elements[child].used==1){
        printf("Desno dijete ovog cvora vec postoji\n");
        exit(1);
    }else{
        T->elements[child].used=1;
        T->elements[child].label=x;
    }
}

void DeleteBRek(node n, btree T){
    if(n==Null)
        return;
    
    DeleteBRek(LeftChildB(n, T), T);

    T->elements[n].used=0;

    DeleteBRek(RightChildB(n, T), T);
}

void DeleteB(node n, btree T ){
    if(ParrentB(n, T)==Null){
        printf("Ne mogu obrisati korjen\n");
        exit(1);
    }

    DeleteBRek(n,T);
}

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Initial Description

                                

Initial Title
bstablo_polje.h

Initial Tags

                                

Initial Language
C++