UVa 10041 Vito's family

http://acm.cs.nthu.edu.tw/problem.php?pid=7074

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

int main(int argc, const char * argv[])
{
    int num,people,i,j,x,tmp,half,newadd;
    int total = 0;
    scanf("%d",&num);
    for (i = 0; i < num; i++) {
        scanf("%d",&people);
        int address[30000];
        half = people/2;
        for (j = 0; j < people; j++) {
            scanf("%d",&address[j]);

        }
        for (j = 0; j < people; j++) {
            for (x = j+1; x < people; x++) {
                if (address[j]>address[x]) {
                    tmp = address[j];
                    address[j] = address[x];
                    address[x] = tmp;
                }
            }
        }
        newadd = address[half];
        for (j = 0; j < people; j++) {
            total = total + abs(newadd-address[j]);
        }
        printf("%d\n",total);
        total = 0;
        
    }
    return 0;
}