Differences

#include<bits/stdc++.h>
using namespace std;

int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n;
  cin >> n;
  vector<long long> a;
  vector<long long> b;
  for(int i = 0; i < n; i++) {
    long long bb; cin >> bb;
    a.push_back(bb);
  }
  for(int i = 0; i < n; i++) {
    long long bb; cin >> bb;
    b.push_back(bb);
  }
  sort(b.begin(), b.end());
  long long kys = 0;
  sort(a.begin(), a.end());
  for(int i = 0; i < n; i++) {
    kys += abs(a[i]-b[i]);
  }
  cout << kys << "\n";
}

Test 1

Verdict: ACCEPTED