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#include "Vector.h"
void Vector::resize()
{
capacity *= 2;
int* newArr = new int[capacity];
for (size_t i = 0; i < size; i++)
{
newArr[i] = arr[i];
}
free();
arr = newArr;
}
void Vector::free()
{
delete[] arr;
}
void Vector::copyFrom(const Vector& other)
{
size = other.size;
capacity = other.capacity;
arr = new int[capacity];
for (int i = 0; i < size; i++)
{
arr[i] = other.arr[i];
}
}
Vector::Vector()
{
arr = new int[2];
capacity = 2;
size = 0;
}
Vector::Vector(const Vector& other)
{
copyFrom(other);
}
Vector& Vector::operator=(const Vector& other)
{
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
Vector::~Vector()
{
free();
}
void Vector::push_back(const int element)
{
if (size < capacity) {
arr[size] = element;
size++;
}
else
{
resize();
push_back(element);
}
}
int Vector::getSize() const
{
return size;
}
int& Vector::operator[](const int index)
{
if (index >= 0 && index < size) {
return arr[index];
}
throw std::exception("Out of range exception");
}
const int& Vector::operator[](int index) const
{
if (index >= 0 && index < size) {
return arr[index];
}
throw std::exception("Out of range exception");
}
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