#include <QRandomGenerator64>

template <std::size_t P = 10'000>
static double randomGenrate(double begin, double end) {
  static auto randomGenrator = QRandomGenerator64::global();
  auto rand = randomGenrator->bounded(static_cast<int>(begin * P),
                                      static_cast<int>(end * P));
  return static_cast<double>(rand) / P;
}