結果

問題 No.2654 [Cherry 6th Tune] Re: start! (Black Sheep)
ユーザー tokusakurai
提出日時 2024-02-23 23:17:36
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 463 ms / 7,000 ms
コード長 7,588 bytes
コンパイル時間 2,527 ms
コンパイル使用メモリ 208,700 KB
最終ジャッジ日時 2025-02-19 20:36:51
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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ファイルパターン 結果
other AC * 40
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define per(i, n) for (int i = (n)-1; i >= 0; i--)
#define rep2(i, l, r) for (int i = (l); i < (r); i++)
#define per2(i, l, r) for (int i = (r)-1; i >= (l); i--)
#define each(e, v) for (auto &e : v)
#define MM << " " <<
#define pb push_back
#define eb emplace_back
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;

template <typename T>
using minheap = priority_queue<T, vector<T>, greater<T>>;

template <typename T>
using maxheap = priority_queue<T>;

template <typename T>
bool chmax(T &x, const T &y) {
    return (x < y) ? (x = y, true) : false;
}

template <typename T>
bool chmin(T &x, const T &y) {
    return (x > y) ? (x = y, true) : false;
}

template <typename T>
int flg(T x, int i) {
    return (x >> i) & 1;
}

int pct(int x) { return __builtin_popcount(x); }
int pct(ll x) { return __builtin_popcountll(x); }
int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }
int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }
int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); }
int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }

template <typename T>
void print(const vector<T> &v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
    if (v.empty()) cout << '\n';
}

template <typename T>
void printn(const vector<T> &v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << '\n';
}

template <typename T>
int lb(const vector<T> &v, T x) {
    return lower_bound(begin(v), end(v), x) - begin(v);
}

template <typename T>
int ub(const vector<T> &v, T x) {
    return upper_bound(begin(v), end(v), x) - begin(v);
}

template <typename T>
void rearrange(vector<T> &v) {
    sort(begin(v), end(v));
    v.erase(unique(begin(v), end(v)), end(v));
}

template <typename T>
vector<int> id_sort(const vector<T> &v, bool greater = false) {
    int n = v.size();
    vector<int> ret(n);
    iota(begin(ret), end(ret), 0);
    sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });
    return ret;
}

template <typename T>
void reorder(vector<T> &a, const vector<int> &ord) {
    int n = a.size();
    vector<T> b(n);
    for (int i = 0; i < n; i++) b[i] = a[ord[i]];
    swap(a, b);
}

template <typename T>
T floor(T x, T y) {
    assert(y != 0);
    if (y < 0) x = -x, y = -y;
    return (x >= 0 ? x / y : (x - y + 1) / y);
}

template <typename T>
T ceil(T x, T y) {
    assert(y != 0);
    if (y < 0) x = -x, y = -y;
    return (x >= 0 ? (x + y - 1) / y : x / y);
}

template <typename S, typename T>
pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {
    return make_pair(p.first + q.first, p.second + q.second);
}

template <typename S, typename T>
pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {
    return make_pair(p.first - q.first, p.second - q.second);
}

template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
    S a;
    T b;
    is >> a >> b;
    p = make_pair(a, b);
    return is;
}

template <typename S, typename T>
ostream &operator<<(ostream &os, const pair<S, T> &p) {
    return os << p.first << ' ' << p.second;
}

struct io_setup {
    io_setup() {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout << fixed << setprecision(15);
        cerr << fixed << setprecision(15);
    }
} io_setup;

constexpr int inf = (1 << 30) - 1;
constexpr ll INF = (1LL << 60) - 1;
// constexpr int MOD = 1000000007;
constexpr int MOD = 998244353;

template <typename T>
struct Binary_Indexed_Tree {
    vector<T> bit;
    const int n;

    Binary_Indexed_Tree(const vector<T> &v) : n((int)v.size()) {
        bit.resize(n + 1);
        copy(begin(v), end(v), begin(bit) + 1);
        build();
    }

    Binary_Indexed_Tree(int n, T x = 0) : Binary_Indexed_Tree(vector<T>(n, x)) {}

    void set(int i, const T &x) { bit[i + 1] = x; }

    void build() {
        for (int a = 2; a <= n; a <<= 1) {
            for (int b = a; b <= n; b += a) bit[b] += bit[b - a / 2];
        }
    }

    void add(int i, const T &x) {
        for (i++; i <= n; i += (i & -i)) bit[i] += x;
    }

    void change(int i, const T &x) { add(i, x - query(i, i + 1)); }

    T sum(int i) const {
        i = min(i, n);
        if (i <= 0) return 0;
        T ret = 0;
        for (; i > 0; i -= (i & -i)) ret += bit[i];
        return ret;
    }

    T query(int l, int r) const {
        l = max(l, 0), r = min(r, n);
        if (l >= r) return 0;
        return sum(r) - sum(l);
    }

    T operator[](int i) const { return query(i, i + 1); }

    // v[0]+...+v[r] >= x を満たす最小の r (なければ n)
    int lower_bound(T x) const {
        int ret = 0;
        for (int k = 31 - __builtin_clz(n); k >= 0; k--) {
            if (ret + (1 << k) <= n && bit[ret + (1 << k)] < x) x -= bit[ret += (1 << k)];
        }
        return ret;
    }

    // v[0]+...+v[r] > x を満たす最小の r (なければ n)
    int upper_bound(T x) const {
        int ret = 0;
        for (int k = 31 - __builtin_clz(n); k >= 0; k--) {
            if (ret + (1 << k) <= n && bit[ret + (1 << k)] <= x) x -= bit[ret += (1 << k)];
        }
        return ret;
    }
};

void solve() {
    int N;
    cin >> N;

    vector<ll> a(N + 1);
    rep(i, N + 1) cin >> a[i];

    auto xs = a;
    rearrange(xs);
    int K = sz(xs);

    vector<vector<int>> es(N + 1);
    rep(i, N) {
        int u, v;
        cin >> u >> v;
        es[u].eb(v), es[v].eb(u);
    }

    Binary_Indexed_Tree<ll> b1(K, 0), b2(K, 0);
    vector<ll> ans(N + 1, INF);

    auto rec = [&](auto &&rec, int now, int pre = -1) -> void {
        int t = lb(xs, a[now]);
        b1.add(t, 1);
        b2.add(t, a[now]);

        // cerr << "! " << now << endl;
        // rep(i, K) cout << b1[i] << (i == K - 1 ? '\n' : ' ');
        // rep(i, K) cout << b2[i] << (i == K - 1 ? '\n' : ' ');

        int C = b1.query(0, K);

        if (C <= 2) {
            ans[now] = -1;
        } else {
            int l = b1.lower_bound(1);
            int r = b1.lower_bound(C);
            if (l == r) {
                ans[now] = 1;
            } else {
                {
                    int m = b1.lower_bound(1 + ceil(C - 1, 2));
                    ll tmp = b2.query(m + 1, K) - b1.query(m + 1, K) * xs[m];
                    tmp += b1.query(0, m + 1) * xs[m] - b2.query(0, m + 1);
                    tmp -= xs[m] - xs[l];
                    // cerr << now MM xs[l] MM xs[m] MM xs[r] MM tmp << endl;
                    chmin(ans[now], tmp);
                }
                {
                    int m = b1.lower_bound(ceil(C - 1, 2));
                    ll tmp = b2.query(m + 1, K) - b1.query(m + 1, K) * xs[m];
                    tmp += b1.query(0, m + 1) * xs[m] - b2.query(0, m + 1);
                    tmp -= xs[r] - xs[m];
                    // cerr << now MM xs[l] MM xs[m] MM xs[r] MM tmp << endl;
                    chmin(ans[now], tmp);
                }
            }
        }

        each(e, es[now]) {
            if (e == pre) continue;
            rec(rec, e, now);
        }

        b1.add(t, -1);
        b2.add(t, -a[now]);
    };

    rec(rec, 0);

    rep2(i, 1, N + 1) cout << ans[i] << '\n';
}

int main() {
    int T = 1;
    // cin >> T;
    while (T--) solve();
}
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