9.2

#include <vector>
#include <iostream>

using namespace std;
 int counter=0;
void out_povtor(const vector<char> &array)
{
    int count1 = 0;
    int count2 = 0;
    int count3 = 0;
    int count4 = 0;
    for (int i = 0; i < array.size(); i++)
    {
        if (array[i] == 's')
            count1++;
        else if (array[i] == 'w')
            count2++;
        else if (array[i] == 'o')
            count3++;
        else if (array[i] == 'j')
            count4++;
        if (count1 == 2 or count2 == 2 or count3 == 2 or count4 == 2)
        {
            cout << counter << ": ";
            for (int j = 0; j < array.size(); j++)
            {
                cout << array[j];

            }
            counter++;
            cout << endl;
            break;
        }
    }
}
void loop_povtor(vector<char> array, int pos)
{
    if (pos == array.size() - 1)
    {
        array[pos] = 's';
        out_povtor(array);
        array[pos] = 'w';
        out_povtor(array);
        array[pos] = 'o';
        out_povtor(array);
        array[pos] = 'j';
        out_povtor(array);
    }
    else
    {
        array[pos] = 's';
        loop_povtor(array, pos + 1);
        array[pos] = 'w';
        loop_povtor(array, pos + 1);
        array[pos] = 'o';
        loop_povtor(array, pos + 1);
        array[pos] = 'j';
        loop_povtor(array, pos + 1);
    }
}
int main()
{
    int n;
    cout << "Задание 4" << endl << "Введите длину: " << endl;
    cin >> n;
    vector<char> array(n);
    loop_povtor(array, 0);
    cout <<"Общее число:"<< counter;
}