#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vpi;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define F0R(i,b) FOR(i,0,b)
#define ROF(i,a,b) for(int i=(b)-1;i>=(a);--i)
#define R0F(i,b) ROF(i,0,b)
#define all(x) begin(x),end(x)
#define sz(x) int(x.size())
#define pb push_back
#define rsz resize
#define trav(a,x) for(auto&a :x)
ll min_total_length(vi r, vi b) {
ll sum=0;
F0R(i,min(sz(r),sz(b)))
{
sum += b[i]-r[i];
}
if(sz(b)>sz(r))
{
FOR(i,sz(r),sz(b))
{
sum += b[i]-r.back();
}
}
else
{
FOR(i,sz(b),sz(r))
{
sum += b[0]-r[i];
}
}
return sum;
}
