随机输出10个0到9的不重复的自然数

#include <iostream>
using namespace std;

void swap(int &x, int &y)
{
    x = x^y;
    y = x^y;
    x = x^y;
}

void rand_n(int array[], int len) 
{
    int i;
    for (i = 0; i < len; ++i)
    {
        swap(array[i], array[rand() % len]);
    }

    for (i = 0; i < len; ++i)
    {
        cout << array[i] << " ";
    }
    cin.get();
}
int main(void)
{
    int table[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
    rand_n(table, 10);

    return 0;
}