#include <iostream>
#include <vector>
#include <algorithm>
 
template <typename It>
void SwapMinAndMax(It first, It last) {
  auto position_of_min = std::min_element(first, last);
  auto position_of_max = std::max_element(first, last);
  std::swap(*position_of_min, *position_of_max);
}
 
template <typename E>
std::ostream& operator<<(std::ostream& ostream,
                         std::vector<E> const& elements) {
  for (const auto& element : elements) {
    ostream << element << " ";
  }
  return ostream;
}
 
int main() {
  std::vector<int> array = {-1, 4, 7, 0, 5, 4, 8, 4, -22, 6};
  std::cout << "Elements before swap:\n" << array;
  SwapMinAndMax(std::begin(array), std::end(array));
  std::cout << "\nElements after swap:\n" << array;
}
 

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