LW6 diagonals

#include <iostream>
#include <time.h>
#include <iomanip>
#include <windows.h>
using namespace std;

void setRed()
{
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_RED);
}

void setGreen()
{
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_GREEN);
}

void setWhite()
{
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
}

int main()
{
	int arrayIndexSize, arraySize, randRangeFrom, randRangeTo;
	bool isPositive = true;
	char v(0);

	cout << "Enter array\'s first index\' value: ";
	cin >> arrayIndexSize;

	cout << "Enter array\'s second index\' value: ";
	cin >> arraySize;

	if (arrayIndexSize < 1 || arraySize < 1) {
		cout << "\n\nBoth values must be posivive integers.\n\n";
		return 0;
	}

	int **arr = new int *[arrayIndexSize];

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

	cout << "\n\nHow would You like to fill in array, (M)anually or (A)utomatically? \n:";
	cin >> v;

	if (v == 'M') {
		cout << "\nnice =)\n\n";

		for (int i = 0; i < arrayIndexSize; i++)
		{
			cout << "Entering row " << i + 1 << ".\n\n";
			for (int j = 0; j < arraySize; j++)
			{
				cout << "Enter element " << j + 1 << ": ";
				cin >> arr[i][j];

			}
			cout << endl;
		}
	}

	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 < arrayIndexSize; i++)
		{
			for (int j = 0; j < arraySize; j++)
			{
				arr[i][j] = rand() % (randRangeTo - randRangeFrom + 1) + randRangeFrom;
			}
		}
	}

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

	cout << "Your array is ready and served:\n\n";

	for (int i = 0; i < arrayIndexSize; i++)
	{
		for (int j = 0; j < arraySize; j++)
		{
			if (i == j && arr[i][i] < 0)
			{
				setRed();
				cout << setw(5) << arr[i][j];
				setWhite();
				isPositive = false;
			}
			else if (i == j && arr[i][i] >= 0)
			{
				setGreen();
				cout << setw(5) << arr[i][j];
				setWhite();
			}
			else
			{
				cout << setw(5) << arr[i][j];
			}
		}
		cout << endl;
	}

	if (isPositive)
	{
		setGreen();
		cout << "\nAll main diagonal elements are posive. Hoorray!" << endl;
		setWhite();
	}
	else
	{
		setRed();
		cout << "\nNot all main diagonal elements are posive. Sorry to tell You that, Cutie." << endl;
		setWhite();
	}

	for (int i = 0; i < arrayIndexSize; i++)
	{
		delete[] arr[i];
	}

	delete[] arr;

	return 0;
}