46 lines
592 B
C++
46 lines
592 B
C++
#pragma once
|
|
#include "vector.hpp"
|
|
|
|
template<class T>
|
|
class Stack
|
|
{
|
|
private:
|
|
Vector<T> data;
|
|
std::size_t actualSize;
|
|
|
|
public:
|
|
void Push(T const & value)
|
|
{
|
|
++actualSize;
|
|
if(actualSize > data.GetSize())
|
|
{
|
|
data.Resize(actualSize);
|
|
}
|
|
|
|
data[actualSize - 1ul] = value;
|
|
}
|
|
|
|
T Pop()
|
|
{
|
|
if(actualSize == 0ul)
|
|
{
|
|
throw std::out_of_range("Cannot pop an empty stack.");
|
|
}
|
|
auto const retval = data[actualSize - 1ul];
|
|
|
|
--actualSize;
|
|
data.Resize(actualSize);
|
|
|
|
return retval;
|
|
}
|
|
|
|
std::size_t GetSize() const
|
|
{
|
|
return actualSize;
|
|
}
|
|
|
|
Stack()
|
|
: actualSize(0)
|
|
{
|
|
}
|
|
}; |