#pragma once

class Pilha 
{
private:
	int  topIndex_;
	int  size_;
	int *data_;                                    
public:
	// Constructor
	Pilha(int size) {           
		data_ = new int[size]; topIndex_= -1;  
		size_ = size;
	}
	// Destructor
	~Pilha(void) { delete [] data_; }

	// Class methods
	int isEmpty() { return (topIndex_< 0) ? 1 : 0; }
	int isFull()  { return (topIndex_ == size_-1) ? 1 : 0; }
	void push(int n) { data_[++topIndex_] = n; }
	int pop() { return data_[topIndex_--]; }  
	int top() { return data_[topIndex_]; }
};