#include <bits/stdc++.h>
#include "wiring.h"
using namespace std;
constexpr int inf = 1e9;
long long min_total_length(vector<int> a, vector<int> b) {
if (a.size() < b.size()) swap(a, b);
int n = a.size(), m = b.size();
long long ans = 0;
vector<bool> vis(n);
for (int i = 0; i < m; i++) {
int mn = inf, pos = -1;
for (int j = 0; j < n; j++) {
if (!vis[j] && abs(a[j] - b[i]) < mn) {
mn = abs(a[j] - b[i]);
pos = j;
}
}
assert(pos != -1);
ans += mn;
vis[pos] = 1;
}
for (int i = 0; i < n; i++) {
if (!vis[i]) {
int mn = inf;
for (int j = 0; j < m; j++) {
mn = min(mn, a[i] - b[j]);
}
ans += mn;
}
}
return ans;
}
