随机输出10个0到9的不重复的自然数

 1 #include <iostream>
 2 using namespace std;
 3 
 4 void swap(int &x, int &y)
 5 {
 6     x = x^y;
 7     y = x^y;
 8     x = x^y;
 9 }
10 
11 void rand_n(int array[], int len) 
12 {
13     int i;
14     for (i = 0; i < len; ++i)
15     {
16         swap(array[i], array[rand() % len]);
17     }
18 
19     for (i = 0; i < len; ++i)
20     {
21         cout << array[i] << " ";
22     }
23     cin.get();
24 }
25 int main(void)
26 {
27     int table[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
28     rand_n(table, 10);
29 
30     return 0;
31 }