#include "wiring.h"
#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define pb push_back
#define ff first
#define ss second
#define vi vector<int>
#define ll long long int
#define all(x) x.begin(),x.end()
const int N = 250;
ll dp[N][N];
long long min_total_length(std::vector<int> R, std::vector<int> B) {
vector<ll> r(all(R));
vector<ll> b(all(B));
int n = r.size();
int m = b.size();
vector<pair<ll, int>> dp(n);
// for(ll x: r) pt.pb({x, 0});
// for(ll x: b) pt.pb({x, 1});
dp[0] = {abs(r[0] - b[0]), 0};
for(int i = 1; i < n; ++i){
dp[i] = {dp[i - 1].ff + abs(r[i] - b[dp[i - 1].ss]), dp[i - 1].ss};
if(dp[i - 1].ss + 1 < m){
ll nxt = dp[i - 1].ff + abs(r[i] - b[dp[i - 1].ss + 1]);
if(dp[i].ff >= nxt || n - i == m - dp[i - 1].ss - 1){
dp[i] = {nxt, dp[i - 1].ss + 1};
}
}
}
return dp[n-1].ff;
}
