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brumihali on 01/19/15

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Last Edited at 01/19/15 08:43am

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b_stablo_pokazivac.h

/ Published in: C++

Binarno stablo pokazivac

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struct node{
	int label;
	node *lijevo, *desno;
};
 
node *InitB(int x, node *T){
	T = new node;
	T->lijevo = T->desno = NULL;
	T->label = x;
	return T;
}
 
node *RootB(node *T){
	return T;
}
 
node *ParentB(int n, node *T){
	if(T->label == n) return NULL;
	if(T->lijevo){
		if(T->lijevo->label == n) return T;
		ParentB(n, T->lijevo);
	}
	if(T->desno){
		if(T->desno->label == n) return T;
		ParentB(n, T->desno);
	}
}
 
node *LeftChildB(node *T){
	return T->lijevo;
}
 
node *RightChildB(node *T){
	return T->desno;
}
 
int LabelB(node *T){
	return T->label;
}
 
void ChangeLabelB(int x, node *T){
	T->label = x;
}
 
void CreateLeftB(int x, node *T){
	if(T->lijevo) cout << "Cvor vec ima dijete!"<<endl;
	else{
		node *novi = new node;
		novi->label = x;
		novi->lijevo = novi->desno = NULL;
		T->lijevo = novi;
	}
}
 
void CreateRightB(int x, node *T){
	if(T->desno) cout << "Cvor vec ima dijete!"<<endl;
	else{
		node *novi = new node;
		novi->label = x;
		novi->lijevo = novi->desno = NULL;
		T->desno = novi;
	}
}
 
void DeleteB(node *n, node *T){
	if(n->lijevo != NULL) DeleteB(n->lijevo, T);
	if(n->desno != NULL) DeleteB(n->desno, T);
	delete n;
}

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