cout << "\nEnter the task you'd like to perform (0 to terminate): ";
    cin >> taskNumber;

    unsigned n;
    int ** arr = nullptr;
    char * arr1 = nullptr;
    char * arr2 = nullptr;
    int count = 0;
    int count2 = 0;
    while (taskNumber != 0)
    {
        if (taskNumber == 1)
        {
            arr = new int*[2];
            cout << "Enter the columns of your array: ";
            cin >> n;

            for (size_t i = 0; i < 2; i++)
            {
                arr[i] = new int[n];
            }
            cout << "Your array is defined, perform another task: ";
            cin >> taskNumber;
        }
        if (taskNumber == 2)
        {
            cout << "Fill your array: \n";
            fillArray(arr, n);
            cout << "Your array is filled, perform another task: ";
            cin >> taskNumber;
        }
        if (taskNumber == 3)
        {
            if (isInection(arr,n) == true)
            {
                cout << "Your array is an inection! Perform another task: ";
                cin >> taskNumber;

            }
            else
            {
                cout << "Your array is not an inection! Perform another task: ";
                cin >> taskNumber;
            }
        }
        if (taskNumber == 4)
        {
            if (isSurjection(arr,n) == true)
            {
                cout << "Your array is a surjection! Perform another task: ";
                cin >> taskNumber;
            }
            else
            {
                cout << "Your array is not a surjection! Perform another task: ";
                cin >> taskNumber;
            }
        }
        if (taskNumber == 5)
        {
            if (isPermutation(arr,n) == true)
            {
                cout << "There is a permutation! Perform another task: ";
                cin >> taskNumber;
            }
            else
            {
                cout << "There is no permutation! Perform another task: ";
                cin >> taskNumber;
            }
        }
        if (taskNumber == 6)
        {
            cout << "The number of permutations from your input is: " << numberOfPermutations(n) << ". Perform another task: ";
            cin >> taskNumber;
        }
        if (taskNumber == 7)
        {
            if (fixedPoints(arr, n) == true)
            {
                cout << "There is a fixed point! Perform another task: ";
                cin >> taskNumber;
            }
            else
            {
                cout << "There isn't a fixed point! Perform another task: ";
                cin >> taskNumber;
            }
        }
        if (taskNumber == 8)
        {
            cout << "The number of fixed points in your permutation is: " << numberOfFixedPoints(arr, n) << ". Perform another task: ";
            cin >> taskNumber;
        }
        if (taskNumber == 9)
        {
            if (isIdentity(arr, n) == true)
            {
                cout << "Your permutation is identity! Perform another task: ";
                cin >> taskNumber;
            }
            else
            {
                cout << "Your permutation is not an identity! Perform another task: ";
                cin >> taskNumber;
            }
        }