prime.cc
/* True iff A and B are coprimes.  */
True iff A and B are coprimes.
True iff A and B are coprimes .
static bool
coprime_p (int a, int b)
{
  return std::gcd (a, b) == 1;
}
static bool coprime_p ( int a , int b ) { return std :: gcd ( a , b ) == 1 ; }
True iff A and B are coprimes.
True iff A and B are coprimes .