#include <iostream>

using namespace std;

void random(float **m, int ii, int jj)
{
    srand((unsigned)time(NULL));
    for (int i=0; i<ii;i++)
        for (int j=0; j<jj; j++)
            m[i][j] = (-1000 + rand()%1000)*1./100;
};
class matrix
{
private:
    float **m;
    int height;
    int wight;
    bool rsrv(){
        m = new float*[height];
        for(int i = 0; i<height; i++)
            m[i] = new float[wight];
        return true;
    }
public:
    matrix(){height=5;wight=5; rsrv(); random(m,5,5);}
    matrix(int l){height=l;wight=l; rsrv();}
    matrix(int h, int w){height=h;wight=w; rsrv();}
    ~matrix()
    {
        for(int i = 0; i<height; i++)
            delete m[i];
        delete m;
    }
    void set(float x, int i, int j)
    {
        m[i][j] = x;
    }
    void print()
    {
        cout<<"________________________________________________________\n";
        for(int i = 0; i < wight; i++)
        {
            for(int j = 0; j < height; j++)
                cout<<m[i][j]<<"\t\t";
            cout<<endl;
        }
        cout<<"________________________________________________________\n";
    }
    float summ(){
        float s = 0;
        for(int i = 0; i < wight; i++)
            for(int j = 0; j < height; j++)
                s += m[i][j];
        return s;
    }
    float min(){
        float min = m[0][0];
        for(int i = 0; i < wight; i++)
            for(int j = 0; j < height; j++)
                min = (m[i][j] < min) ? m[i][j] : min;
        return min;
    }
    float max(){
        float max = m[0][0];
        for(int i = 0; i<wight; i++)
            for(int j = 0; j<height; j++)
                max = (m[i][j] > max) ? m[i][j] : max;
        return max;
    }
};

int main(){
    matrix* m1 = new matrix();
    m1->print();
    cout<<"max: "<<m1->max()<<endl;
    cout<<"min: "<<m1->min()<<endl;
    cout<<"summ: "<<m1->summ()<<endl;
    m1->set(1.88, 2, 4);
    m1->print();
}