Code for Program to perform quick sort in C++ Programming

#include <iostream.h>
#include <conio.h>

void main()
{
 void srt(int[],int,int);
 int a[10],count=0,n;
 clrscr();
 cout<<"Ener 10 values in unsorted order : \n";
 for (n=0;n<10;n++)
     {
      cout<<"value no.: "<<(n+1)<<"\t";
      cin>>a[n];
      count++;
     }
 n=0;
 clrscr();
 srt(a,n,count-1);
 clrscr();
 cout<<"\t\tThe Sorted order is : \n";
 for (n=0;n<10;n++)
     {
      cout<<"\t\tposition : "<<(n+1)<<"\t"<<a[n]<<"\n";
     }
 getch();
}
void srt(int k[20],int lb,int ub)
{
 int i,j,key,flag=0,temp;
 clrscr();
 if (lb<ub)
    {
     i=lb;
     j=ub+1;
     key=k[i];
     while(flag!=1)
      {
       i++;
       while(k[i]<key)
        {
         i++;
        }
       j--;
       while(k[j]>key)
        {
         j--;
        }
       if (i<j)
          {
           temp=k[i];
           k[i]=k[j];
           k[j]=temp;
          }
       else
          {
           flag=1;
           temp=k[lb];
           k[lb]=k[j];
           k[j]=temp;
          }
      }
     srt(k,lb,j-1);
     srt(k,j+1,ub);
    }
}