#include "wiring.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e18;
int dp[200005];
int tole[200005];
int pref[200005];
long long min_total_length(std::vector<int32_t> r, std::vector<int32_t> b)
{
vector<pair<int,int>> v;
for(int x:r)
v.push_back({x,0});
for(int x:b)
v.push_back({x,1});
v.push_back({-1,-1});
sort(v.begin(),v.end());
int ult[2] = {0,0};
for(int i=1;i<v.size();i++)
{
ult[v[i].second] = i;
tole[i] = ult[1-v[i].second];
pref[i] = pref[i-1] + v[i].first;
}
for(int i=1;i<v.size();i++)
{
dp[i]=INF;
int ri = tole[i];
if(ri==0)
continue;
int le = tole[ri]+1;
for(int j=le-1;j<=ri-1;j++)
{
int aux=0;
aux += v[ri].first * (ri-j) - (pref[ri] - pref[j]);
aux += max(ri-j, i-ri) * (v[ri+1].first - v[ri].first);
dp[i] = min(dp[i], aux + dp[j]);
}
dp[i] += pref[i] - pref[ri] - v[ri+1].first * (i-ri);
dp[i] = min(dp[i], INF);
for(int j=i-1;j>0;j--)
dp[j] = min(dp[j], dp[i]);
}
return dp[(int)v.size()-1];
}
/*
*/
