C Program For Binary Search By Entering Values In Ascending Order

#include<stdio.h>
#include<conio.h>
void main()
{
 int a[10],p,temp,i,n,key,flag=0,low,high,mid;
 clrscr();
 printf("Enter the size of an array:");
 scanf("%d",&n);
 printf("Enter the elements:");
 for(i=0;i<n;i++)
  scanf("%d",&a[i]);
    for(p=0;p<n;p++)
    if(a[i]>a[i+1])
       temp=a[i];
       a[i]=a[i+1];
       a[i+1]=temp;
 printf("Enter the number to be searched:");
 scanf("%d",&key);

 low=0,high=n-1;
 while(low<=high)
      {
  mid=(low+high)/2;
  if(key==a[mid])
    {
   printf("search element found at location: %d",mid);
   flag=1;
   return;
    }
  else if (key<a[mid])
   high=mid-1;
   else
   low=mid+1;
       }
       if(flag==0)
       printf("The number is not found");
       getch();
      }