монотонная и строго монотонная последовательность

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);

	int n;
	cin >> n;
	int a, b;
	int k = 0;
	cin >> a >> b;
	int j = 1;

	if (a == b)
	{
		while ((a == b) && (j < n))
		{
			a = b;
			cin >> b;
			k = 6;
			j++;
		}
	}

	if (a > b)
	{
		for (int i = 1; i < n; i++)
		{
			if ((a > b) && ((k == 1) || (k == 0) || (k == 6)))
			{
				a = b;
				cin >> b;
				k = 1;
				continue;
			}

			if ((a >= b) && ((k == 1) || (k == 2) || (k == 0)))
			{
				a = b;
				cin >> b;
				k = 2;
				continue;
			}

			if (a < b)
			{
				k = 5;
				break;
			}
		}
	}

	if (a < b)
	{
		for (int i = 1; i < n; i++)
		{
			if ((a < b) && ((k == 3) || (k == 0) || (k == 6)))
			{
				a = b;
				cin >> b;
				k = 3;
				continue;
			}

			if ((a <= b) && ((k == 0) || (k == 3) || (k == 4)))
			{
				a = b;
				cin >> b;
				k = 4;
				continue;
			}

			if (a > b)
			{
				k = 5;
				break;
			}
		}
	}



	if ((k == 1) || (k == 3))
	{
		cout << "2";
	}
	if ((k == 2) || (k == 4))
	{
		cout << "1";
	}
	if ((k == 5) || (k == 6))
	{
		cout << "0";
	}

}