#include using i32 = std::int32_t; using u32 = std::uint32_t; using i64 = std::int64_t; using u64 = std::uint64_t; using i128 = __int128_t; using u128 = __uint128_t; using isize = std::ptrdiff_t; using usize = std::size_t; class rep { struct Iter { usize itr; constexpr Iter(const usize pos) noexcept : itr(pos) {} constexpr void operator++() noexcept { ++itr; } constexpr bool operator!=(const Iter& other) const noexcept { return itr != other.itr; } constexpr usize operator*() const noexcept { return itr; } }; const Iter first, last; public: explicit constexpr rep(const usize first, const usize last) noexcept : first(first), last(std::max(first, last)) {} constexpr Iter begin() const noexcept { return first; } constexpr Iter end() const noexcept { return last; } }; template constexpr T INFTY = std::numeric_limits::max() / Div; template using Vec = std::vector; void G_main() { usize M, N; std::cin >> M >> N; Vec A(M), B(N); for (auto& x : A) { std::cin >> x; } for (auto& x : B) { std::cin >> x; } const auto cost = [&](const usize i, const usize j) { return std::abs(A[i] - B[j]); }; std::sort(A.begin(), A.end()); std::sort(B.begin(), B.end()); Vec best(M); for (const auto i : rep(0, M)) { for (const auto j : rep(1, N)) { if (cost(i, best[i]) > cost(i, j)) { best[i] = j; } } } for (const auto k : rep(1, M + 1)) { Vec> used(N); for (const auto i : rep(0, M)) { const auto b = best[i]; if (used[b].size() < k) { used[b].push_back(i); continue; } usize l = b, r = b; while (l > 0 && used[l - 1].size() == k) { l -= 1; } while (r < N && used[r].size() == k) { r += 1; } const auto cost_l = [&] { if (l == 0) { return INFTY; } i64 ret = cost(i, r - 1); for (const auto j : rep(l, r)) { ret += cost(used[j].front(), j - 1) - cost(used[j].front(), j); } return ret; }(); if (r != N && cost_l > cost(i, r)) { used[r].push_back(i); } else { for (const auto j : rep(l, r)) { used[j - 1].push_back(used[j].front()); used[j].pop_front(); } used[r - 1].push_back(i); } } i64 ans = 0; for (const auto j : rep(0, N)) { for (const auto i : used[j]) { ans += cost(i, j); } } std::cout << ans << '\n'; } return; } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); G_main(); return 0; }