cppRandBasics

#include <iostream>
#include <chrono>

int main()
{
    srand(time(0));
    // 0..32767

    //n % m -> [0..m-1]
    const int begin{ 10 };
    const int end{ 30 };
    for (int i{ 0 }; i < 50; ++i)
    {

        std::cout << (begin + rand() % (end - begin + 1)) << '\n';
    }
}