#include using namespace std; using lint = long long int; using pint = pair; using plint = pair; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((lint)(x).size()) #define POW2(n) (1LL << (n)) #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template void ndarray(vector &vec, int len) { vec.resize(len); } template void ndarray(vector &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); } template bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; } template bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; } template pair operator+(const pair &l, const pair &r) { return make_pair(l.first + r.first, l.second + r.second); } template pair operator-(const pair &l, const pair &r) { return make_pair(l.first - r.first, l.second - r.second); } template istream &operator>>(istream &is, vector &vec){ for (auto &v : vec) is >> v; return is; } ///// This part below is only for debug, not used ///// template ostream &operator<<(ostream &os, const vector &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const deque &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; } template ostream &operator<<(ostream &os, const set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_set &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_multiset &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const pair &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; } template ostream &operator<<(ostream &os, const map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template ostream &operator<<(ostream &os, const unordered_map &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl; ///// END ///// /* Convex Hull Trick Implementation Idea: */ using T_CHT = __int128_t; // using mpint = __int128_t; struct MonotoneConvexHullTrick : deque> // (a, b) means `y = ax + b` { bool is_minimizer; MonotoneConvexHullTrick(bool is_minimizer) : is_minimizer(is_minimizer) {} void add_line(T_CHT a, T_CHT b) { while (size() > 1u) { int sz = size(); T_CHT l = (back().second - (*this)[sz - 2].second) * (back().first - a); T_CHT r = (b - back().second) * ((*this)[sz - 2].first - back().first); if (l < r) break; pop_back(); } emplace_back(a, b); } // Add y = ax + b T_CHT get(T_CHT x) { while (size() > 1u and front().first * x + front().second > (*this)[1].first * x + (*this)[1].second) { pop_front(); } return front().first * x + front().second; } void add_convex_parabola(T_CHT c, T_CHT a, T_CHT b) { add_line(-2 * c * a, c * a * a + b); } // Add y = c(x - a)^2 + b T_CHT parabola_lower_bound(T_CHT c, T_CHT x) { return get(x) + c * x * x; } }; int main() { int N; cin >> N; vector A(N); cin >> A; vector cht(N + 1, true); int x = 0; cht[0].add_convex_parabola(1, x, 0); REP(i, N) { IREP(d, i + 1) { lint v = cht[d].parabola_lower_bound(1, x); cht[d + 1].add_convex_parabola(1, x + A[i], v); } x += A[i]; } IREP(d, N) { lint v = cht[d].parabola_lower_bound(1, x); cout << v << endl; } }