Генератор случайных вещественных чисел, C++

#include <iostream>
#include <cmath>
#include <ctime>
 
using namespace std;
 
int main(){
    int min,max,range,number;
    srand (time(NULL));
    cout << "Enter minimum ammount: ";
    cin >> min;
    cout << "Enter maximum ammount: ";
    cin >> max;
    cout << "Enter max numbers after dot: ";
    cin >> range; 
    cout << "Enter ammount of float numbers: ";
    cin >> number;
 
 
    for(int i=0; i<number; i++){
        float sum=(rand()%(abs(min)+abs(max))-abs(min))*pow(0.1,rand()%(range+1));
        if(sum<0 && sum>-1){
            sum=(sum+rand()%min)*(-1);
        } else if(sum>0 && sum <1){
            sum=sum+rand()%max;
        }
        cout << sum << endl;
    }
    system("pause");
    return 0;
}

#include <iomanip>
#include <iostream>
#include <random>
 
int main()
{
    int lbound, ubound, precision, amount;
    std::cout << "Enter lower bound: ";
    std::cin >> lbound;
    std::cout << "Enter upper bound: ";
    std::cin >> ubound;
    std::cout << "Enter precision: ";
    std::cin >> precision;
    std::cout << "Enter ammount of numbers: ";
    std::cin >> amount;
 
    std::uniform_real_distribution<double> dist(lbound, ubound);
    std::mt19937 gen {std::random_device()() }; // gen.seed(time(0));
 
    for(int i=0; i < amount; i++)
        std::cout << std::fixed << std::setprecision(precision) << dist(gen) << " ";
}

#include <iostream>
#include <time.h>
#include <Windows.h>
 
using namespace std;
 
int main(){
    srand(time(NULL));
    int i, a;
    for(i=1;i<2;){
        cout << "Random number is " << rand()%10 << endl;
        Sleep(5000);
    }
 
    system("pause");
    return 0;
}

#include <iostream>
#include <stdlib.h>
 
using namespace std;
 
int main()
{
    for(int i=1; i<2;){
        cout << "Ran num is: " << rand()%10 << endl;
        for(int j=0; j<800000000; j++){;}
    }
 
}

#include <iostream>
#include <ctime>
#include <cstdlib>
 
int getRand(unsigned maxBound)
{
    srand(time(0));
    return rand() % maxBound + 1;
}
 
int main()
{
    const int maxRandBound = 9;
    const int secondsDelay = 5;
 
    std::cout << getRand(maxRandBound) << '\n';
    while (true)
    {
        time_t start = time(0);
        while (time(0) < start + secondsDelay)
            ;
        std::cout << getRand(maxRandBound) << '\n';
    }
}

    std::uniform_int_distribution<int> uid; 
    std::cin >> uid; 
    std::cout << uid;