selection_sort.h

// Copyright (c) 2013 Craig Henderson
// https://github.com/cdmh/sorting_algorithms

#include "sort.h"

namespace cdmh {

// Selection Sort
//      Worst case performance      О(n^2)
//      Best case performance       О(n^2)
//      Average case performance    О(n^2)
//      Worst case space complexity О(n) total, O(1) auxiliary
// http://en.wikipedia.org/wiki/Selection_sort

template<typename It, typename Pred=std::less<typename std::iterator_traits<It>::value_type>>
inline void selection_sort(It begin, It end, Pred pred=Pred())
{
    for (auto it=begin; it!= end; ++it)
        std::swap(*std::min_element(it, end, pred), *it);
}

}   // namespace cdmh

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