// #pragma GCC optimize("Ofast") // #pragma GCC target("avx2,bmi,bmi2,lzcnt") // #define NDEBUG #include #include struct rep { struct iter { int i; constexpr void operator++() { ++i; } constexpr int operator*() const { return i; } friend constexpr bool operator!=(iter a, iter b) { return *a != *b; } }; const int l, r; constexpr rep(int _l, int _r) : l(std::min(_l, _r)), r(_r) {} constexpr rep(int n) : rep(0, n) {} constexpr iter begin() const { return {l}; } constexpr iter end() const { return {r}; } }; struct per { struct iter { int i; constexpr void operator++() { --i; } constexpr int operator*() const { return i; } friend constexpr bool operator!=(iter a, iter b) { return *a != *b; } }; const int l, r; constexpr per(int _l, int _r) : l(std::min(_l, _r)), r(_r) {} constexpr per(int n) : per(0, n) {} constexpr iter begin() const { return {r - 1}; } constexpr iter end() const { return {l - 1}; } }; template constexpr bool chmin(T& a, U&& b) { return b < a ? a = std::forward(b), true : false; } template constexpr bool chmax(T& a, U&& b) { return a < b ? a = std::forward(b), true : false; } int main() { using namespace std; cin.tie(nullptr)->sync_with_stdio(false); int n, k; cin >> n >> k; vector c(n); for (auto&& e : c) cin >> e; if (k == 1) { for (int i : rep(n)) { int ans = -2e9; if (i) chmax(ans, c[i - 1]); if (i + 1 < n) chmax(ans, c[i + 1]); cout << ans << '\n'; } exit(0); } auto can = [&](int i, int j, int h) -> bool { if ((abs(j - i) & 1) != (h & 1)) return false; if (abs(j - i) > h) return false; return true; }; vector suff(2, vector(n + 1)); auto f = [&](int pos, int sz, int s, int d) -> int { return (s - d * pos) * (suff[0][pos] - suff[0][pos + sz]) + d * (suff[1][pos] - suff[1][pos + sz]); }; auto go = [&] { for (int i : per(n)) { suff[0][i] = c[i] + suff[0][i + 1]; suff[1][i] = c[i] * i + suff[1][i + 1]; } vector mx(n, vector(k + 1, -2e9)); for (int a : rep(2, k + 1)) { for (int b : rep(1, k - 2 * a + 2)) { int sz = k - 2 * a + 2 - b; for (int l : rep(n - a - sz + 1)) { int cur = f(l, a, k - a + 1, 1) + f(l + a, sz, k - 2 * a + 1, -1); chmax(mx[l + a + sz - 1][b], cur); } } for (int l : rep(n - a + 1)) { int cur = f(l, a, k - a + 1, 1); chmax(mx[l][k - a + 1], cur); } } vector res(n, -2e9); for (int i : rep(n)) for (int j : rep(n)) for (int h : rep(1, k + 1)) if (can(i, j, h)) chmax(res[i], mx[j][h]); return res; }; auto ans = go(); reverse(begin(c), end(c)); auto temp = go(); for (int i : rep(n)) chmax(ans[i], temp[n - i - 1]); for (int e : ans) cout << e << '\n'; }