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mystack.cpp
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55 lines (51 loc) · 930 Bytes
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#include "mystack.h"
#include <iostream>
template <class Type>
Stack<Type>::Stack (int ss) : stacksize (ss), top(0)
{
items = new Type [stacksize];
}
template <class Type>
Stack<Type>::Stack (const Stack & st)
{
stacksize = st.stacksize;
top = st.top;
items = new Type [stacksize];
for (int i = 0; i < top; i++)
items[i] = st.items[i];
}
template <class Type>
bool Stack<Type>::push (const Type item)
{
if (top < stacksize)
{
items[top++] = item;
return true;
}
else
return false;
}
template <class Type>
bool Stack<Type>::pop (Type item)
{
if (top > 0)
{
item = items[--top];
return true;
}
else
return false;
}
template <class Type>
Stack<Type> & Stack<Type>::operator= (const Stack<Type> & st)
{
if (this == &st)
return *this;
delete [] items;
stacksize = st.stacksize;
top = st.top;
items = new Type [stacksize];
for (int i = 0; i < top; i++)
items[i] = st.items[i];
return *this;
}