#include "wiring.h"
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<vii> vvii;
typedef vector<vll> vvll;
typedef vector<vpii> vvpii;
typedef vector<vpll> vvpll;
#define ffor(i, a, b) for (ll i = (a); i < (ll)(b); i++)
#define fford(i, a, b) for (ll i = (a); i > (ll)(b); i--)
#define rep(i, n) ffor(i, 0, n)
#define forin(x, a) for (auto &x: a)
#define all(a) a.begin(), a.end()
long long min_total_length(std::vector<int> r, std::vector<int> b) {
if (r.size() >= b.size()) {
ll res = 0;
rep(i, b.size()) {
res += abs(b[i] - r[r.size() - 1 - i]);
}
rep(i, r.size() - b.size()) {
res += abs(r[i] - b[0]);
}
return res;
}
ll res = 0;
rep(i, r.size()) {
res += abs(b[i] - r[r.size() - 1 - i]);
}
rep(i, b.size() - r.size()) {
res += abs(r.back() - b[b.size() - 1 - i]);
}
return res;
}
