UVA 10107 - What is the Median?

#include<stdio.h>
#include<algorithm>
using namespace std;
main()
{
long int n,a[100000]={0},i=0;
while(scanf("%ld",&n)!=EOF)
{
a[i]=n;
sort(a,a+i+1);
if(i%2==0)
{
printf("%ld\n",a[i/2]);
}
else
{
long k=i/2;
printf("%ld\n",(a[k]+a[k+1])/2);
}
i++;
}
}