### 代码附上
```cpp
#include <bits/stdc++.h>
using namespace std;
const int N=50005;
#define int long long
int n,w[N],ag[N],ans;
signed main(){
ios::sync_with_stdio(false);
cin>>n;
for(int i=1;i<=n;i++) cin>>w[i];
for(int i=1;i<=n;i++) cin>>ag[i];
sort(w+1,w+1+n);
sort(ag+1,ag+1+n);
for(int i=1;i<=n;i++) ans+=abs(w[i]-ag[i]);
cout<<ans;
}
```
```
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int[] w = new int[n + 1];
int[] ag = new int[n + 1];
for (int i = 1; i <= n; i++) w[i] = sc.nextInt();
for (int i = 1; i <= n; i++) ag[i] = sc.nextInt();
Arrays.sort(w, 1, n + 1);
Arrays.sort(ag, 1, n + 1);
long ans = 0;
for (int i = 1; i <= n; i++) {
ans += Math.abs(w[i] - ag[i]);
}
System.out.println(ans);
}
}
```