Поиск медианного элемента

template <class T>
class Vector {
    T* values;
    size_t count;
public:
    Vector(size_t count) {
        if (count < 1)
            return;
 
        this->count = count;
        values = new T [count];
        memset(values, 0, count*sizeof(T));
    }
 
    T& operator[] (size_t index){
        if (index >= 0 && index < count)
            return values[index];
    }
 
 
 
    ~Vector(){
        if (values)
            delete[] values;
    };
 
    T SearchMediana ()
    {
        if (count < 1)
            return 0;
        T temp = 0;
        int a = count / 2;
        for (int j = 0; j < Cols; j++) 
        for (int i = 0; i < count - 1; i++)
        {
            if (values[i] > values[i+1])
            {
                temp = values[i];
                values[i] = values[i+1];
                    values[i+1] = temp;
            }
            T mediana = values[a];
            return mediana;
        }
    }
};

#include <stdlib.h>
#include <iostream>
#include <math.h>
#include <time.h>
#include "Array.h"
 
using namespace std;
 
const int Rows = 6;
const int Cols = 8;
const int BottomRand = 30;
const int TopRand = 80;
 
int main()
{
    Vector<float> Arr(Cols);
    float Average = 0;
    srand((unsigned)time(NULL));
    cout << "Source vector:\n";
    cout.precision(2);
    for (int i = 0; i < Cols; i++) 
    {
        Arr[i] = (((float)rand() / RAND_MAX) * (TopRand - BottomRand)) + BottomRand;
        cout << fixed << Arr[i] << "\t";
    }
    for (int i = 0; i < Cols; i++)
        Average += Arr[i];
    Average /= Cols;
    cout<< '\n';
    cout<< "Average is " << Average << '\n';
    Average = Arr.SearchMediana();
    cout<< "\n Mediana: "<< Average <<endl;
 
    Matrix<int> Matr(Rows, Cols);
    Average = 0;
    srand((unsigned)time(NULL));
    cout<< "Source matrix:\n";
    for (int i = 0; i < Rows; i++)
        for (int j = 0; j < Cols; j++) 
        {
            Matr[i][j] = (((float)rand() / RAND_MAX) * (TopRand - BottomRand)) + BottomRand;
            cout<< Matr[i][j] << "\t";
        }
    for (int i = 0; i < Rows; i++)
        for (int j = 0; j < Cols; j++)
            Average += Matr[i][j];
    Average /= Rows * Cols;
    cout.precision(3);
    cout<< '\n'<< fixed;
    cout<< "Average is "<< Average << '\n';
 
    cout<< '\n';
    cout<< "Average is " << Average << '\n';
    Average = Matr.SearchMedianaMatrix();
    system("PAUSE");
    return 0;
}