Reverse a list [std::vector] of integers.

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <vector>

int main() {
  auto show = [](auto const & sv) {
    for (auto const nr : sv) {
      std::cout << std::setw(3) << nr;
    }
    std::cout << std::endl;
  };

  std::vector<int> array { 10, 2, 0, 14, 43, 25, 18, 1, 5, 45, 3, 15, 16, 8, 9, };
  show(array);
  std::sort(array.begin(), array.end());
  show(array);
  std::cout << std::endl;
  std::vector<int> reverse;
  std::copy(array.crbegin(), array.crend(), std::back_inserter(reverse));
  show(reverse);
}