产生不重复的随机数

#include <iostream>
#include <cstdlib>
#include<time.h>
using namespace std;
void generate(int number, int index,int include,int array[]) {
    srand(time(0));
    for (int i = 0; i < number; i++) {
        array[i] = (index + rand() % include);
        for (int j = 0; j < number; j++) {
            if (array[i] == array[j] && i != j ||(array[i]==150805||array[i]==150817||array[i]==150847||array[i]==150879)) {
                array[i] = (index + rand() % include);
                break;
            }
        }
    }
    for (int i = 0; i < number; i++) {
        for (int j = i; j < number; j++) {
            if (array[i] > array[j]) {
                int temp;
                temp = array[i];
                array[i] = array[j];
                array[j] = temp;
            }
        }
    }
    for (int i = 0; i < number; i++) {
        cout << array[i] << "\t";
        if ((i + 1) % 5 == 0) {
            cout << endl;
        }
    }
}
int main() {

    //srand(seed);
    int a[16], b[4];

    cout << "150799--150849:" << endl;
    generate(16, 150799, 50,a);
    cout << "\n150878--150887:" << endl;
    generate(4, 150878, 10, b);
    return 0;       
}