C++ Program Code That Ask The User To Enter 5 Numbers And Output The Largest And Smallest Number?

Hi; Here is your Program. And it works well.
#include<iostream.h>
#include<conio.h>

void main(){
int Nums[4],i;
cout<<"Enter Five Numbers:";
for (i=0;i<5;i++){
cin>>Nums[i];
}


int Greatest=0;
int Smallest;


for(i=0;i<5;i++){

if(Greatest<Nums[i])
  Greatest=Nums[i];

if(Smallest>Nums[i])
  Smallest=Nums[i];

}

cout<<"Smallest number is"<<Smallest;
cout<<"Greatest number is"<<Greatest;

getch();

}