Шарики

#include "stdafx.h"
#include <iostream>
#include <string>
#include <vector>
#include <Windows.h>
#include <ctime>


using namespace std;

void perestanovka(int begin, vector<int>& end) {
    cout << "Перемешивание № " << begin << endl;
    for (int i = 0; i < end.size(); i++) {
        cout << end[i] << " ";
    }
    cout << endl;
    int temp = 0;
    for (int i = 0; i<end.size(); i++) {
        if (i + 1 == end[i]) {
            cout << "Совпадение с шаром № " << i + 1 << endl;
            temp = end[i];
            end[i] = end[begin - 1];
            end[begin - 1] = temp;
        }
        else {
            temp = end[i];
            end[i] = end[begin - 1];
            end[begin - 1] = temp;
        }
    }
    cout << endl << endl << endl;

    if (begin != end.size() - 1) {
        begin++;
        perestanovka(begin, end);
    }

}
int main()
{
    SetConsoleCP(1251);
    SetConsoleOutputCP(1251);
    srand(time(NULL));
    int temp = 0, n;
    bool once = true;
    cout << "Введите количество шаров" << endl;
    cin >> n;
    vector<int> balls(n, 0);
    for (int i = 0; i < n; i++) {
        while (balls[i] == 0) {
            temp = rand() % n + 1;
            for (int j = 0; j < n; j++) {
                if (temp == balls[j]) {
                    once = false;
                }
            }
            if (once == true)
                balls[i] = temp;
            once = true;
        }
    }
    perestanovka(1, balls);
    system("pause");
    return 0;
}