LW5 odd/even rearrange

#include <iostream>
#include <time.h>

using namespace std;

int main()
{

	int arraySize=15, randRangeFrom=-20, randRangeTo=30;
	cout << "Enter element count: ";
//	cin >> arraySize;
	if (arraySize < 1) {
		cout << "\nCount must be posivive integer.\n\n";
		return 0;
	}

	float* arr = new float[arraySize];
	char v(0);
	cout << "\n\nHow would You like to fill in array, (M)anually or (A)utomatically? \n:";
//	cin >> v;
	v = 'A';
	if (v == 'M') {
		cout << "\nnice =)\n\n";

		for (int i = 0; i < arraySize; i++)
		{
			cout << "Enter element " << i + 1 << ": ";
			cin >> arr[i];
		}

	}

	else if (v == 'A') {
		cout << "\nYou\'re lazy =)\n\n";

		cout << "Enter initial range value: ";
//		cin >> randRangeFrom;

		cout << "Enter end range value: ";
//		cin >> randRangeTo;
		cout << endl;

		srand(time(NULL));
		for (int i = 0; i < arraySize; i++)
		{
			arr[i] = (rand() % (randRangeTo * 10 - randRangeFrom * 10 + 1) + randRangeFrom * 10) / 10.0;
		}

	}

	else {
		cout << "\nI expected \"M\" or \"A\".\nCome on, Cutie.\n\n";
		return 0;

	}

	cout << "Your array is ready and served:\n";
	for (int i = 0; i < arraySize; i++)
	{
		cout << "(" << i << ") " << arr[i] << "  ";
	}
	/*
	cout << "\n\nNow starting our Variant 9 tasks:\n\n\n1. Find maximum array element by the module.\n";

	float max = fabs(arr[0]);
	for (int i = 1; i < arraySize; i++)
	{
		if (max < fabs(arr[i])) max = fabs(arr[i]);
	}
	cout << "Maximum array element by the module is: " << max;

	cout << "\n\n\n2. Calculate the sum of the elements between the first and second positive elements of the array.\nI really hope You mean (), not [] :P\n";

	bool isPositiveFound = false;
	bool isSummarizingFinished = false;
	float result = 0;

	for (int i = 0; i < arraySize; i++) {
		if (arr[i] >= 0) {
			if (isPositiveFound) {
				isSummarizingFinished = true;
			}
			else {
				isPositiveFound = true;
			}
		}
		else {
			if (isPositiveFound && !isSummarizingFinished) {
				result += arr[i];
			}
		}
	}

	if (!isSummarizingFinished) {
		result = 0;
	}

	cout << "The sum of the elements is: " << result;

	*/

	for (int i = 0; i < arraySize; i++)
	{
		cout << "(" << i << ") " << arr[i] << "  ";
	}

	cout << "\n\n\nRearrange the array so that the first half of the array contains all elements of odd nonpair positions and the second contains all elements of even positions. \n";

	float s;

	for (int i = 0, j = 1; j < arraySize; i = i + 1, j = j + 2)
	{
		s = arr[j];
		for (int k = j; k > i; k--)
		{
			arr[k] = arr[k - 1];
		}
		arr[i] = s;
	}

	for (int i = 0; i < arraySize; i++)
	{
		cout << arr[i] << "  ";
	}

	delete[] arr;
	return 0;
}