#include <bits/stdc++.h>
#include "wiring.h"
//#include "grader.cpp"
using namespace std;
#define int long long
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << " " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << " " << j << " " << #i << " " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
int arr[205];
int arr2[205];
int n=0;
int m=0;
int memo[205][205];
int dp(int l, int r){
if(l==n||r==m){
if(l==n&&r==m) return 0;
else return 1e17;
}
if(memo[l][r]!=-1) return memo[l][r];
int ans=1e17;
ans=min(ans,dp(l+1,r)+abs(arr[l]-arr2[r]));
ans=min(ans,dp(l,r+1)+abs(arr[l]-arr2[r]));
ans=min(ans,dp(l+1,r+1)+abs(arr[l]-arr2[r]));
return memo[l][r]=ans;
}
long long min_total_length(vector<int32_t>r, vector<int32_t>b) {
n=r.size();
m=b.size();
for(int x=0;x<n;x++) arr[x]=r[x];
for(int x=0;x<m;x++) arr2[x]=b[x];
memset(memo,-1,sizeof(memo));
return dp(0,0);
}
