void Exam::sortLines() //bilets 14
{

   float a= 0 ;
   float *m;

      for (int i= 0 ;i<kol_r;i++)
      {
      for ( int j =  0 ; j<kol_c; j++)
             {
           [color=red]   m = tab[i][j]+ a;[/color]  
            a = m[i];
             }
      a= 0 ;
      m[i]= m[i]/kol_r;
      cout<<m[i];
      }
     for (int i= 0 ;i<=kol_r- 1 ;i++)
     {
       if (m[i]>m[i+ 1 ])
       {
          for ( int j =  0 ; j<=kol_c- 1 ; j++)
          {
                   a = tab[i][j];
                  tab[i][j]=tab[i+ 1 ][j];
                tab[i+ 1 ][j]=a;
                            }
       }
     }

}