#include "wiring.h"
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> v2i;
typedef pair<int, int> pi;
typedef vector<pi> vpi;
typedef vector<bool> vb;
#define pb push_back
#define mp make_pair
#define rept(i, a, b) for (int i = a; i < b; i++)
#define rep(i, n) for (int i = 0; i < n; i++)
long long min_total_length(std::vector<int> r, std::vector<int> b) {
ll length = 0;
int n = r.size(), m = b.size();
for (auto x : r) {
length += b[0] - x;
}
rep(i, m) {
if (i <= n) {
length += b[i] - b[0];
}
else {
length += b[i] - r[n - 1];
}
}
return length;
}
