#include "Tree.h"
#include <exception>

using namespace std;

class Band{
public:
    Band(int bandID, int price, int votes=0): bandID(bandID), price(price), votes(votes){};
...
private:
...

};

class Festival{
public:
    Festival(int budget): budget(budget), minPrice(0), maxNeededBudget(0), priceOffset(0), bandCounter(0){};
    ~Festival();
    StatusType AddBand(int bandID, int price, int votes=0);
    ...

private:
    Tree<Band> bandTree;
    ...

};

StatusType Festival::AddBand(int bandID, int price, int votes){
    if ((price<0)||(bandID<0)){
    	return INVALID_INPUT;
    }
    Band* newBand=NULL;
    try{
    	newBand=new Band(bandID,price-priceOffset,votes);
    }
    catch(bad_alloc&){return ALLOCATION_ERROR;}
    if (bandTree.find(*newBand)!=NULL){
    	delete newBand;
    	return FAILURE;
    }
bandTree.add(*newBand);
....
}

template<class T>
class Tree{
public:
    Tree(T* initialData=NULL, Tree<T>* initialFather=NULL);
    void add(T& newData);
....
private:
....
};

void Tree::add(T& newData)
{
    newData.destroyEverything();
}

void Tree::add(int& newData)
{
    newData.destroyEverything();
}

Band* newBand=NULL;
    try{
        newBand=new Band(bandID,price-priceOffset,votes);
    }
    catch(bad_alloc&){return ALLOCATION_ERROR;}

Band * newBand = new Band ( bandID, price - priceOffset, votes );

Band newBand( bandID, price - priceOffset, votes );

priceTree.add(*newPriceNode);

priceTree.add(newPriceNode); //no "*" before "newPriceNode"