C++のメモ

template <class RandomAccessIterator>
  void sort ( RandomAccessIterator first, RandomAccessIterator last );

template <class RandomAccessIterator, class Compare>
  void sort ( RandomAccessIterator first, RandomAccessIterator last, Compare comp );

int data[10] = { 1, 3, 5, 7, 9, 2, 4, 6, 8, 0};
std::sort( data, data + 10);

for(size_t i = 0; i < 10; ++i)
{
  std::cout << data[i] << " "; 
}
std::cout << std::endl;

template<typename Ty>
class AbsLess
{
public:
  bool operator()(const Ty& riLeft, const Ty& riRight) const
  {
    return std::abs(riLeft) < std::abs(riRight); 
  }
};

int data[10] = { 1, 3, 5, 7, 9, -2, -4, -6, -8, 0};
std::sort( data, data + 10, AbsLess<int>());

for(size_t i = 0; i < 10; ++i)
{
  std::cout << data[i] << " "; 
}
std::cout << std::endl;