#include "wiring.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int maxn = 2e5 + 20;
ll dp[maxn];
vector<int> t[2];
long long min_total_length(vector<int> r, vector<int> b)
{
int n = r.size() , m = b.size();
int k = n + m;
vector<pair<int , int> > a;
for(auto x : r)
a.pb({x , 0});
for(auto x : b)
a.pb({x , 1});
sort(a.begin() , a.end());
memset(dp , 63 , sizeof dp);
dp[0] = 0;
for(int i = 0; i < k; i++)
{
int j = i;
while(j >= 0 && a[j].second == a[i].second)
j--;
if(j < 0)
continue;
ll sum = 0;
for(int x = j + 1; x <= i; x++)
sum += a[x].first - a[j + 1].first;
int sz2 = i - j;
int x = j;
while(x >= 0 && a[x].second == a[j].second)
{
sum += a[j].first - a[x].first;
ll val = 1LL * (a[j + 1].first - a[j].first) * max(sz2 , j - x + 1);
val += sum;
dp[i + 1] = min(dp[i + 1] , dp[x] + val);
x--;
}
}
return dp[k];
}
