Function fillSet_1toN

Examples/Modules/Chapter 20/Ex20_13/Ex20_13.cpp:24–30

}

std::set<int> fillSet_1toN(size_t N)   // Fill a set with 1, 2, ..., N
{
  std::set<int> numbers;
  for (int i{ 1 }; i <= N; ++i)
    numbers.insert(i);
  return numbers;
}

void printVector(const std::vector<int>& v)
{