#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifdef WAIMAI
#include "grader.cpp"
#else
#include "wiring.h"
#endif
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
const int SIZE = 1e5 + 5;
int n, m;
int a[SIZE], b[SIZE];
ll min_total_length(vector<int> _r, vector<int> _b) {
n = _r.size();
m = _b.size();
FOR (i, 1, n) a[i] = _r[i - 1];
FOR (i, 1, m) b[i] = _b[i - 1];
ll ans = 0;
FOR (i, 1, min(n, m)) ans += b[i] - a[n - i + 1];
if (n < m) ans += accumulate(b + n + 1, b + m + 1, 0ll) - 1ll * (m - n) * a[n];
else ans += 1ll * (n - m) * b[1] - accumulate(a + 1, a + n - m + 1, 0ll);
return ans;
}
/*
in1
4 5
1 2 3 7
0 4 5 9 10
out1
10
*/
