С++ ЕНФ / LABA 4 / 4LB1

#include <iostream.h>
#include <conio.h>
void main()
{
 clrscr();
 cout<<"proga vichislyayushaya skorost s kotoroyi probegal begun po vv. polzovatelem dannim s pomoshyu ssilok \n\n";
 float s=0,t=0;
 while (s<=0)
 {cout<<"vvedite dlinu distancii \n";
  cin>>s;}
 while (t<=0)
  {cout<<"vvedite vremya >0 \n";
    cin>>t;};
 float &sPtr=s,&tPtr=t;
 //inicializaciya peremennih tipa float, gde &sPtr i &tPtr yav-sya
 //ssilkami na znachenie tipa float
 cout<<"skorost beguna = "<<sPtr/tPtr;
 getch();
}