A program to search an element from an array

This is the program to search an element from a sorted array.

Simply enter an sorted array at runtime and then enter the element which you want to search from an array.

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

int a[100],n,i,beg,end,mid,item;

cout<<"length is"<<endl;

cin>>n;

cout<<"enter sorted array"<<endl;

for(i=1;i<=n;i++)

{

cin>>a[i];

}

cout<<"enter what you searching"<<endl;

cin>>item;

beg=1;

end=n;

mid=(beg+end)/2;

while(beg<=end&&a[mid]!=item)

{if(a[mid]<item)

beg=mid+1;

else

end=mid-1;

mid=(beg+end)/2;

}

if(a[mid]==item)

{

cout<<"data found at"<<mid+1;

}

else

{

cout<<"not found";

}

getch();

}