Differences

#include <vector>
#include <iostream>
#include <algorithm>

using namespace std;


int main() {
  int n;
  cin >> n;
  vector<int> a;
  vector<int> b;
  for (int i = 0; i < n; i++) {
    int num; cin>>num;
    a.emplace_back(num);
  }

  for (int i = 0; i < n; i++) {
    int num; cin>>num;
    b.emplace_back(num);
  }
  sort(a.begin(), a.end());
  sort(b.begin(), b.end());
  long long tot = 0;
  for (int i =0; i<n;i++) {
    tot += a[i] > b[i] ? a[i]-b[i] : b[i]-a[i];
  }
  cout << tot;
}

Test 1

Verdict: ACCEPTED