#include <cstdlib>
#include <iostream>
#include <string>
#include "BoundedStackB.h"
using namespace std;

/**
 * Constructor with specified max capacity
 * (parameter is optional, so this also serves as default constructor)  
 */
BoundedStackB::BoundedStackB(int cap) {
  // ...

}


/**
 * Returns number of objects in the history.
 */
int BoundedStackB::size() const {
  return -1;    // Replace this as needed
}


/** 
 * Returns true if the history is empty, false otherwise.
 */
bool BoundedStackB::isEmpty() const {
  return true;  // Replace this as needed
}


/** 
 * Returns reference to the top object in the history.
 * Throws BoundedStackEmptyException if the history is empty. 
 */
string& BoundedStackB::top() throw(BoundedStackEmptyException) {
  // These lines are NOT correct, but they compile...
  string junk;   // declares a local variable
  return junk;   // returns reference to this local variable (a sure mistake!)
}


/**
 * Inserts an object at the top of the history.
 */
void BoundedStackB::push(const string& elem) {
  // ...
}


/** 
 * Removes and returns the top object from the history.
 * Throws BoundedStackEmptyException if the history is empty.
 */
string BoundedStackB::pop() throw(BoundedStackEmptyException) {
  // These lines are NOT correct, but they compile...
  string junk;   // declares a local variable
  return junk;   // returns reference to this local variable (a sure mistake!)
}


/**
 * Destructor
 */
BoundedStackB::~BoundedStackB()
{
  // ...
}