#if __INCLUDE_LEVEL__ == 0 #include __BASE_FILE__ namespace { void solve() { int n; scan(n); std::vector x(n); scan(x); assert(ranges::is_sorted(x)); std::vector a(n); scan(a); std::vector sum_x(n + 1); for (const int i : rep(n) | views::reverse) { sum_x[i] = x[i] + sum_x[i + 1]; } std::vector f(n + 1, inf()); f[n] = 0; for (const int l : rep(n) | views::reverse) { i64 xor_a = 0; for (const int r : rep1(l + 1, n)) { xor_a ^= a[r - 1]; const int m = (l + r - 1) / 2; i64 cur = sum_x[m] - sum_x[r]; cur -= x[m] * (r - m); cur += x[m] * (m - l); cur -= sum_x[l] - sum_x[m]; cur += xor_a; chmin(f[l], cur + f[r]); } } print(f[0]); } } // namespace int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout << std::setprecision(DBL_DECIMAL_DIG); solve(); } #else // __INCLUDE_LEVEL__ #include template bool chmin(T& x, U&& y) { return y < x && (x = std::forward(y), true); } template bool chmax(T& x, U&& y) { return x < y && (x = std::forward(y), true); } template T inf() { T ret; std::memset(&ret, 0x3f, sizeof(ret)); return ret; } template T inf() { return std::numeric_limits::infinity(); } template concept Range = std::ranges::range && !std::convertible_to; template concept Tuple = std::__is_tuple_like::value && !Range; namespace std { istream& operator>>(istream& is, Range auto&& r) { for (auto&& e : r) { is >> e; } return is; } istream& operator>>(istream& is, Tuple auto&& t) { return apply([&](auto&... xs) -> istream& { return (is >> ... >> xs); }, t); } ostream& operator<<(ostream& os, Range auto&& r) { for (string_view sep = ""; auto&& e : r) { os << exchange(sep, " ") << e; } return os; } ostream& operator<<(ostream& os, Tuple auto&& t) { const auto f = [&](auto&... xs) -> ostream& { [[maybe_unused]] string_view sep = ""; ((os << exchange(sep, " ") << xs), ...); return os; }; return apply(f, t); } } // namespace std void scan(auto&&... xs) { std::cin >> std::tie(xs...); } void print(auto&&... xs) { std::cout << std::tie(xs...) << '\n'; } template class fix { public: explicit fix(F f) : f_(std::move(f)) {} decltype(auto) operator()(auto&&... xs) const { return f_(std::ref(*this), std::forward(xs)...); } private: F f_; }; inline auto rep(int l, int r) { return std::views::iota(std::min(l, r), r); } inline auto rep(int n) { return rep(0, n); } inline auto rep1(int l, int r) { return rep(l, r + 1); } inline auto rep1(int n) { return rep(1, n + 1); } namespace ranges = std::ranges; namespace views = std::views; using i64 = std::int64_t; #endif // __INCLUDE_LEVEL__