Untitled

repeated random number [closed]
#include <iostream>
#include <cstdlib>
#include <time.h>
using namespace std;

int main(){
    int min=15;
    int max=75;
    int a[100];

    srand(time(0));
    for (int i=0;i<100;i++) {
        a[i]=min+rand()%(max-min+1);
    }

    for (int i=0;i<100;i++) {
        cout<<a[i]<< "   ";
    }
    return 0;
}

std::vector<int> myNumbers;
myNumbers.reserve(50);
int i = 25;
std::generate_n(back_inserter(myNumbers),50,[&i]() { return i++; });

std::random_shuffle(myNumbers.begin(), myNumbers.end());