#include <iostre
#include <string
#include <utilit
#include <vector
#include <cmath>

using namespace 

class sample {
	// the c
	vector<d
	
public:
	// const
	sample()
	sample(c
	
	// membe
	int size
	
	double a
	
	const ve
	
	void set
	
	double m
	
	double m
	
	double r
	
	double m
	
	double m
	
	double v
	
	double s
	
	double m
	
	double s
	
};