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C++ Stack - Part 3

Below is the manipulation of the objects created with the stack data type inside the main function. This final C++ stack source code is used in collaboration with part 1 and part 2.


#include<iostream>
#include "part1_filename.h"    

using namespace std;


int main()
{
     int choice;
     stack Abacus;
     int element;
     while(1)
        {
             cout <<"Select a number for an action you want to perform";
             cout<<endl;
             cout<<endl;
             cout <<"1 - Insert an element into the stack";
             cout<<endl;
             cout<<"2 - Remove an element from the stack";
             cout<<endl;
             cout<<"3 - View the elements of the stack";
             cout<<endl;
             cout<<"4 - See the size of the stack";
             cout<<endl;
             cout<<"5 - End";
             cout<<endl;
             cout<<endl;
             cout <<"Enter your choice: ";
             cin >> choice;
             switch(choice)
           {
               case 1:  cout <<"Input a number: ";
                        cin >> element;
                        cout <<"\n";
                        Abacus.Push(element);
                        break;
                        
               case 2:   
                         Abacus.Pop(); 
                         break;
                   
               case 3:
                         Abacus.Print();
                         break;
                    
               case 4: 
                         Abacus.getSize();
                         break;
                      
               case 5:   exit(0);
               }
         }
         system("pause");
         return 0;
}

The code and its associates are fully functional. There are a few changes to be made and the code can be run on any c++ compiler. 

Feel free to suggest some changes on the source codes.

C++ Stack - Part 2

The stack's function definitions and implementations. To view the stack interface go to part 1.


#include<iostream>
#include "part1_filename.h"    

using namespace std;

stack::stack()                 
{
     top = -1;
}

stack::~stack(){ }

bool stack::Push(int x)
{

    if(IsFull())
    {
        cout <<"The stack is full!"<<endl;
        return 0;
    }
    arrayStack[++top] = x;
}

bool stack::Pop()
{
    if( IsEmpty() )
    {
        cout <<"The stack is empty";
        cout<<endl;
        return 0;
    }
    else
    cout<<arrayStack[top--]<<"  has been removed from the stack"<<endl;
}

bool stack::IsEmpty()
{    
    return (top == -1);
     
}

bool stack::IsFull()
{
   return (top > 8);  
}

void stack::Print()
{
    for(int z=top; z>=0; z--){
    cout <<arrayStack[z] <<"    ";
    }
    cout<<endl;
}

int stack::getSize()
{
    top = top + 1;
    cout << top;
}

Save this block of code in the same folder as the header file in part one. Part three will cover the main function.

C++ Stack - Part 1

Part one covers only the class interface of the stack. Basically, a stack is a data type which follows Last-In-First-Out rule.



#ifndef STACK_H
#define STACK_H    

using namespace std;

class stack
{
    public:
        stack();    // Constructor
        ~stack();  // Destructor
        bool Push(int x); // A Function that inserts an element into the stack 
        bool Pop(); // A Function that deletes an element from the stack        
        bool IsEmpty(); // A function that determines if the stack is empty
        bool IsFull(); // A function that determines if the stack is full
        void Print(); // A Function that prints all elements in the stack
        int getSize(); // A function that returns the number of elements in the stack
                 
    private:
        int top; // A variable that indicates the position of the last element
        int arrayStack[10]; // An array that contains the elements of the stack

};
#endif

Your file name is very important here, because in Part two, which will be the function definitions and implementation will be used.

9 Lies and The Truth

1.  I’m too busy

2.  Everybody hates me

3.  I tried over and over and over again

4.  I’m not meant for this

5.  I’m such a fool

6.  I've already failed

7.  I’m not a genius

8.  I’m too young

9.  It has always been this way

1.  You’re fearfully and wonderfully made. Stop. Read that again.

Yes, the truth is, you’re fearfully and wonderfully made.