How do i generate a random number within a fixed range in c++?

Answer 1

#include<iostream>
#include<random>
#include<chrono>
using namespace std;
int main()
{
int low = 0; //Lower End of Range.
int up = 20; //Upper End of Range.
unsigned seed = system_clock::now(). time_since_epoch().count();
default_random_engine with_time_seed(seed);
// The seed, linked with the current time.
uniform_int_distribution <int> rand (low,up);
//Declaration of a better rand.
for (int i=0; i<10; ++i)
cout<<rand(with_time_seed)<<endl;
}

You may use this in C++11, as this is better than rand. The variation is greater and numbers are truly pseudo random.