/// @file
/// @brief task C: regular functions with overloads (no templates)

#pragma once

#include <vector>

namespace one {

inline int add(const int& a, const int& b) {
  return a + b;
}
inline double add(const double& a, const double& b) {
  return a + b;
}

inline int sum(const std::vector<int>& vec) {
  int res = 0;
  for (int x : vec) {
    res += x;
  }
  return res;
}
inline double sum(const std::vector<double>& vec) {
  double res = 0;
  for (double x : vec) {
    res += x;
  }
  return res;
}
} // namespace one