HDU 1029

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>

int cmp(const void *a,const void *b){
return *(int *)a-*(int *)b;
}

int main(){
int i,j,n,a[999999];
while(scanf("%d",&n)!=EOF){
for(i=0;i<n;i++){
scanf("%d",&a[i]);
}
qsort(a,n,sizeof(int),cmp);
printf("%d\n",a[n/2]);
}
return 0;
}