c++排序（快速排序）

#include <iostream>
#define _SZ 10
using namespace std;

template<typename _Ty>
class Grial
{
	public:
	Grial(_Ty *_P,int _X=_SZ)
	{
		_SP=_X;
		data = new _Ty[_SP];
		for(int _I=0;_I<_SP;_I++)
		{
			data[_I]=_P[_I];
		}
		sort(data,0,_SP);
	}
	void view()
	{
		for(int _I=0;_I<_SP;_I++)
		{
			cout<<data[_I]<<"   ";
		}
		cout<<endl;
	}
	private:
	void sort(_Ty *_A,int _L,int _R)
	{
			int _I=_L;
			int _J=_R-1;
			if(_L>=_R)return;
			_Ty temp = _A[_I];
		 while(_I<_J)
			{
				while(_I<_J && _A[_J]>=temp)--_J;
				_A[_I]=_A[_J];

				while(_I<_J && _A[_I]<=temp)++_I;
				_A[_J]=_A[_I];
			}
			_A[_I]=temp;
			sort(_A,0,_I-1);
			sort(_A,_I+1,_R);
	}
	private:
	_Ty *data;
	int _SP;
};

int main()
{
	int a[]={0,4,5,6,7,8,90,5,2,43,2,3,5};
	Grial<int> g(a,13);
	g.view();
	return 0;
}