算法实现/排序/二叉树排序
外观
#include <set> // for multiset
#include <algorithm> // for copy
template <typename Iterator>
void binary_tree_sort(Iterator begin, Iterator end)
{
// C++'s multiset class is a self-balancing binary search tree that allows duplicates
// Add each element in input range to the tree
std::multiset<typename std::iterator_traits<Iterator>::value_type> tree(begin, end);
// Read elements in ascending order by simply traversing the tree.
std::copy(tree.begin(), tree.end(), begin);
}