Stack

stack.cpp

#include <iostream>


using namespace std;
class Stack
{
    int* ar;
    int Size;
    int tos;
public:
    int Gettos();
    int push(int d);
    int pop();
    Stack()
    {
    tos=0;
    Size=10;
    ar=new int[Size];

    }
    int Getsize()
    {

        return Size;
    }
    ~Stack()
    {
    delete ar;
    }
};

int main()
{
Stack stk;
stk=Fillstack();

return 0;
}

int Stack::pop()
{
    int retval=-1;//empty stack
    if(tos>0)
    {
    tos--;
    retval=ar[tos];
    }
return retval;
}

Stack Fillstack()
{

    Stack st;
    for(int i=0;i<10;i++)
    {
        st.push(i);
    }
    return st;
}