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#ifndef EXT_UTILS_INCLUDED
#define EXT_UTILS_INCLUDED

namespace ext
{

template <class Ty1, class Ty2>
class pair
{
        public:
                Ty1 left;
                Ty2 right;

                pair(const Ty1 &val1, const Ty2 &val2) { left=val1; right=val2; }
                pair(const pair &other) { left=other.left; right=other.right; }
                pair() { }
};

template <class Ty>
class less
{
        public:
                bool operator() (const Ty& left, const Ty& right)
                {
                        return left < right;
                }
};

}; // namespace ext

#endif // !defined(EXT_UTILS_INCLUDED)