Differences

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define M 1000000007
#define N (1<<18)
#define P complex<long long>
#define X real()
#define Y imag()
 
using namespace std;
 
int n, f;
ll ans;
vector<int> v, vv;
 
int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n;
	for(int i=0; i<n; i++) {
		cin >> f;
		v.push_back(f);
	}
	for(int i=0; i<n; i++) {
		cin >> f;
		vv.push_back(f);
	}
	sort(v.begin(), v.end());
	sort(vv.begin(), vv.end());
	for(int i=0; i<n; i++)
		ans += abs(v[i]-vv[i]);
	cout << ans;
}

Test 1

Verdict: ACCEPTED