#include "boxes.h" #include <bits/stdc++.h> using namespace std; using l = long long; using vl = vector<l>; long long delivery(int N, int K, int L, int p[]) { l ans = 0; if (K == 1) for (int i = 0; i < L; ++i) ans += 2 * min(p[i], N - p[i]); return ans; }