C++ Program for Binary Search

#include<iostream.h>;#include<conio.h>;#include<process.h>;void main(){	int ar[100],beg,mid,end,i,n,search;	clrscr();	cout<<"How many numbers in the array: ";	cin>>n;	cout<<"Enter "<<n<<" numbers in ascending order --> ";	for(i=0;i<n;i++)		cin>>ar[i];	beg=0;	end=n-1;	cout<<"Enter a number to search: ";	cin>>search;	while(beg<=end)	{		mid=(beg+end)/2;		if(ar[mid]==search)		{			cout<<"\nItem found at position "<<(mid+1);			getch();			exit(0);		}		if(search>ar[mid])			beg=mid+1;		else			end=mid-1;	}	cout<<"\nSorry! "<<search<<" doesnot found.";	getch();}