Differences

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

ll a[1010101];
ll b[1010101];

int main() {
   int n;
   cin >> n;
   for (int i = 0; i < n; i++) {
        cin >> a[i];
   }
   for (int i = 0; i < n; i++) {
        cin >> b[i];
   }
   sort(a,a+n);
   sort(b,b+n);
   ll ans = 0;
   for (int i = 0; i < n; i++) {
       ans += abs(a[i]-b[i]);
   }
   cout << ans << endl;
}

Test 1

Verdict: ACCEPTED