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AOT_code on 01/12/14

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binarno_stabo_polje.h

/ Published in: C++

Implementacija binarnog stabla koristeÄ‡i se poljem.

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struct arr_element{
	int label, used;
};

struct arr_tree{
	arr_element array[10000];
};

arr_tree* InitB(int x, arr_tree* T){
	T = new arr_tree;
	for(int i=0; i<10000; i++) T->array[i].used = 0;
	T->array[1].label = x;
	T->array[1].used = 1;
	return T;
}

int RootB(arr_tree* T){
	return T->array[1].label;
}

int LabelB(int n, arr_tree* T){
	return T->array[n].label;
}

int ChangeLabelB(int x, int n, arr_tree* T){
	return T->array[n].label = x;
}

int ParentB(int n,arr_tree *T){
	if(T->array[1].label==n) return -1;
	if(n%2) return n/2+1;
	else return n/2;
}

int LeftChildB(int n, arr_tree* T){
	if(!(T->array[2*n].used)) return -1;
	else return 2*n;
}

int RightChildB(int n, arr_tree* T){
	if(!(T->array[2*n+1].used)) return -1;
	else return 2*n+1;
}

void CreateLeftB(int x, int n, arr_tree* T){
	if(T->array[2*n].used) cout << "Pozicija je zauzeta!" << endl;
	else{
		T->array[2*n].label = x;
		T->array[2*n].used = 1;
	}
}

void CreateRightB(int x, int n, arr_tree* T){
	if(T->array[2*n+1].used) cout << "Pozicija je zauzeta!" << endl;
	else{
		T->array[2*n+1].label = x;
		T->array[2*n+1].used = 1;
	}
}

bool DeleteB(int n, arr_tree* T){
	if(LeftChildB(n,T) != -1) DeleteB(LeftChildB(n,T),T);
	if(RightChildB(n,T) != -1) DeleteB(RightChildB(n,T),T);
	T->array[n].used = 0;
}

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