#include "wiring.h"
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
template<typename T> void check_min(T &a, const T b){a = (a < b) ? a : b;}
const int N = 200 + 3;
const ll INF = 1e18;
ll dp[N][N];
ll min_total_length(vector<int> r, vector<int> b) {
dp[r.size()][b.size()] = 0;
for(int j = (int)b.size() - 1; j >= 0; --j)
dp[r.size()][j] = INF;
for(int i = (int)r.size() - 1; i >= 0; --i){
dp[i][b.size()] = INF;
for(int j = (int)b.size() - 1; j >= 0; --j){
dp[i][j] = INF;
check_min(dp[i][j], dp[i + 1][j + 1] + abs(r[i] - b[j]));
check_min(dp[i][j], dp[i + 1][j] + abs(r[i] - b[j]));
check_min(dp[i][j], dp[i][j + 1] + abs(r[i] - b[j]));
}
}
return dp[0][0];
}
