std::experimental::reseed(3)

NAME
std::experimental::reseed - std::experimental::reseed

Synopsis
   Defined in header <experimental/random>
   void reseed(); (1) (library fundamentals
                        TS v2)
   void reseed( std::default_random_engine::result_type value (2) (library fundamentals
   ); TS v2)
   Reseeds the per-thread random number engine and any std::uniform_int_distribution
   instances used by randint.
   1) Sets the per-thread engine to an unpredictable state.
   2) Seeds the per-thread engine g as if by g.seed(value).

Parameters
   value - value of the new seed
   Remarks
   Subsequent calls to randint do not depend on values produced by the per-thread
   engine prior to calling reseed.

Example
// Run this code
 #include <experimental/random>
 #include <iostream>
 int main()
 {
     std::experimental::reseed();
     std::cout << "Random 2-digit decimal numbers: ";
     for (auto i = 0; i != 3; ++i)
         std::cout << std::experimental::randint(10, 99) << ' ';
     std::cout << '\n';
 }

Possible output:
 Random 2-digit decimal numbers: 41 60 56

See also
   randint generates a random integer in the specified range
           (function template)