VarArray.cpp

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

using namespace std;



varArray::varArray(void){
	size = 0;
	array = new int[size];
}
varArray::varArray(const varArray& rhs){
	size = rhs.size;
	array = new int[size];

	for (int i = 0; i < size; i++) {
		array[i] = rhs.array[i];
	}
}
varArray& varArray::operator=(const varArray& rhs){
	delete [] array;
	array = new int[rhs.size];
	size = rhs.size;
	for (int i = 0; i < size; i++) {
		array[i] = rhs.array[i];
	}

	return *this;

}
varArray::~varArray(void){
	size = 0;
	delete [] array;
}
void varArray::addNumber(int number){
	// create a new array;
	//increment the size and copy the first array to the second one;

	int* ptr;
	ptr = new int[size + 1];
	size = size + 1;

	for(int i = 0; i < size - 1 ; ++i) {
		ptr[i] = array[i];
	}

	//put the number inside the last element of ptr;
	//delete old array;
	ptr[size - 1] = number;

	delete [] array;
	array = ptr;


}
void varArray::removeNumber(int number){
	int* ptr;
	ptr = new int [size - 1];

	for(int i = 0, ptrcounter = 0; i < size; ++i){
		if (array[i] != number) {
			ptr[ptrcounter] = array[i];
			++ptrcounter;
		}
	}
	size = size - 1;
	delete [] array;
	array = ptr;

}

void varArray::output(void){
	cout << "your numbers: ";
	for (int i = 0; i < size; i++) {
		cout << array[i] << " ";
	}
	cout << endl;

}
void varArray::sortNumber(){
	int *ip;
	ip = new int[size];
	int originalSize =size;
	for(int j = 0; j < originalSize; ++j){
		int smallestNumber = array[0];
		for(int i = 1; i < size; ++i){
			if(array[i] < smallestNumber){
				smallestNumber = array[i];
			}
		}
		ip[j] = smallestNumber;
		removeNumber(smallestNumber);
	}
	 delete [] array;
	array = new int[originalSize];

	for (int i = 0; i < originalSize; ++i)
	{
		array[i] = ip[i];
	}
	 size = originalSize;
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