LW5 intervals resort

#include <iostream>
#include <ctime>
using namespace std;
int main()
{
	int n;
	float m;
	cout << "Enter index count: " << endl;
	cin >> n;
	float* arr = new float[n];
	for (int i = 0; i < n; i++)
	{
		cout << "Enter " << i << " index: " << endl;
		cin >> m;
		arr[i] = m;
	}
	for (int i = 0; i < n; i++)
		cout << arr[i] << "; " << endl;

	float a, b;
	cout << "Enter the begining of interval: " << endl;
	cin >> a;
	cout << "Enter the ending of interval: " << endl;
	cin >> b;

	int count = 0;
	int maxposition = 0;
	float maxvalue = arr[0];
	for (int i = 0; i < n; i++)
	{
		if (arr[i] > a&& arr[i] < b)
		{
			count++;
		}

		cout << count << endl;

		for (int i = 0; i < n; i++)
		{
			if (arr[i] > maxvalue)
			{
				maxvalue = arr[i];
				maxposition = i;
			}
		}

	}
		cout << "The maximal value of interval is: " << maxvalue << endl;


		float remvalue = arr[0];
		for (int i = maxposition + 1; i < n; i++)
		{
				remvalue += arr[i];
		}
		cout << "The remaining value of interval is: " << remvalue << endl;

		/*int sum = 0;
		for (int i = 0; i < a; i++)
		{
		sum = sum + 1;
		}
		if (i<a && i>b)
		}*/
		float temp = 0;
		for (int i = 0; i < n; i++)
		{
			if (arr[i] < 0)
				arr[i] = arr[i] * (-1);
		}

		for (int i = 0; i < n; i++)
		{

			for (int z = i + 1; z < n; z++)
			{
				if (arr[i] < arr[z])
				{
					temp = arr[z];
					arr[z] = arr[i];
					arr[i] = temp;
				}
			}
		}
		for (int i = 0; i < n; i++)
			cout << arr[i] << " ";
		cout << endl;
	}