Write a C Program to binary search an element in An Array.

#include<stdio.h> 
#include<conio.h> 
void main()
{
	 int a[100],i,search,x=0,s=0,e=9,m,n;

	printf("\n Please Enter the Size of an Array : ");
	scanf("%d", &n);

	printf("\nPlease Enter the Array Elements : \n");
     for(i=0; i<n; i++)
scanf("%d",&a[i]);

	printf("Enter a value for search : ");
scanf("%d",&search);

     while(s<=e) { m=(s+e)/2; if(a[m]==search) { x=1; break; } else if(a[m]>search)
           {
             e=m-1;
           }
          else if(a[m]<search)
           {
			 s=m+1;
           }
       }

      if(x==1)
printf("found");

      else
printf("not found");

getch();
}