C++ program for linear search in an array list

/*linear search in an array list
  by sanjay kumar singh,ggsestc*/

#include<iostream.h>
#include<conio.h>
#define size 15

void main()
{
        int ar[size],n,i,val,flag=0;
         cout<<"\t\tLinear search in array list\n\n";
         cout<<"Enter the no of elements : ";
         cin>>n;
         cout<<"Enter elements of the array :\n ";
         for(i=0;i<=n-1;i++)
         cin>>ar[i];
         cout<<"Entered elements are : \n";
         for(i=0;i<=n-1;i++)
         cout<<ar[i]<<"\t";
         cout<<"\nEnter the element u want to search : \n";
         cin>>val;
         for(i=0;i<n;i++)
         {
          if(val==ar[i])
            {
            flag=1;
               break;
             }
         }
         if(flag=1)
         cout<<"search successful ad its position is at : "<<i+1;
         else
         cout<<"Search unsuccessful";
         getch();
}