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Showing content from https://cplusplus.com/reference/random/linear_congruential_engine/min/ below:

public static member function

<random>

static constexpr result_type min();

Minimum value

If member constant increment (an alias of template parameter c) is zero, the minimum is 1u, otherwise, it is zero.

result_type is a member type, defined as an alias of the first class template parameter (UIntType).

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// linear_congruential_engine::min and max
#include <iostream>
#include <chrono>
#include <random>

int main ()
{
  unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
  std::minstd_rand0 generator (seed); // minstd_rand0 is a standard linear_congruential_engine

  std::cout << generator() << " is a random number between ";
  std::cout << generator.min() << " and " << generator.max();

  return 0;
}

1802012141 is a random number between 1 and 2147483646

linear_congruential_engine::max

Maximum value (public static member function)

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