#include "wiring.h"
#include <bits/stdc++.h>
#include "wiring.h"
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) (int)(v).size()
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
const ll INF = 1e18;
const int N = 2e5+7;
ll dp[N], pref[N];
int last[N];
ll min_total_length(vector<int> r, vector<int> b) {
int nr = r.size(), nb = b.size(), n = nr + nb;
vector <pii> v;
for (int i = 0; i < nr; i++) {
v.push_back({r[i], 0});
}
for (int i = 0; i < nb; i++) {
v.push_back({b[i], 1});
}
sort(all(v));
dp[0] = INF;
pref[0] = v[0].first;
last[0] = -1;
for (int i = 1; i < n; i++) {
dp[i] = INF;
pref[i] = pref[i - 1] + v[i].first;
last[i] = (v[i].second == v[i - 1].second) ? last[i - 1] : i - 1;
if (last[i] == -1) continue;
dp[i] = min(dp[i], dp[i - 1] + v[i].first - v[last[i]].first);
if (last[last[i]] < last[i] - (i - last[i]) + 1) {
dp[i] = min(dp[i], (pref[i] - pref[last[i]]) - (pref[last[i]] - pref[last[i] - (i - last[i])]) + dp[last[i] - (i - last[i])]);
}
}
return dp[n - 1];
}
