#include "bits/stdc++.h"
using namespace std;
#define ii pair<int,int>
#define f first
#define s second
#define mp make_pair
#define ll long long
#include "wiring.h"
long long min_total_length(std::vector<int> r, std::vector<int> b) {
ll sum=0;
if(r.size()>b.size())swap(r,b);
sort(r.begin(),r.end());
sort(b.begin(),b.end());
int N=r.size(),M=b.size();
vector<vector<ll>> dp(N+1,vector<ll>(M+1,LLONG_MAX));
dp[0][0]=0;
for(int i=1;i<=N;i++)
for(int j=i;j<=M;j++){
dp[i][j]=min(dp[i][j-1],dp[i-1][j-1]);
dp[i][j]+=abs(r[i-1]-b[j-1]);
}
return dp[N][M];
}
