#874115 (C++14) No.2325 Skill Tree

提出ソース

結果

問題	No.2325 Skill Tree
ユーザー	Kyo_s_s
提出日時	2023-05-28 14:07:53
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	AC
実行時間	175 ms / 3,000 ms
コード長	10,769 bytes
コンパイル時間	1,784 ms
コンパイル使用メモリ	177,088 KB
実行使用メモリ	8,892 KB
最終ジャッジ日時	2023-08-27 09:05:30
合計ジャッジ時間	9,155 ms
ジャッジサーバーID （参考情報）	judge13 / judge14

このコードへのチャレンジ
（要ログイン）

テストケース

テストケース表示

入力	結果	実行時間実行使用メモリ
testcase_00	AC	2 ms 4,376 KB
testcase_01	AC	2 ms 4,380 KB
testcase_02	AC	2 ms 4,380 KB
testcase_03	AC	1 ms 4,376 KB
testcase_04	AC	1 ms 4,376 KB
testcase_05	AC	2 ms 4,376 KB
testcase_06	AC	1 ms 4,376 KB
testcase_07	AC	40 ms 4,376 KB
testcase_08	AC	36 ms 4,852 KB
testcase_09	AC	49 ms 4,408 KB
testcase_10	AC	51 ms 6,268 KB
testcase_11	AC	55 ms 5,476 KB
testcase_12	AC	106 ms 7,856 KB
testcase_13	AC	107 ms 8,020 KB
testcase_14	AC	108 ms 7,836 KB
testcase_15	AC	108 ms 8,024 KB
testcase_16	AC	107 ms 7,740 KB
testcase_17	AC	102 ms 7,848 KB
testcase_18	AC	102 ms 7,848 KB
testcase_19	AC	101 ms 7,748 KB
testcase_20	AC	103 ms 7,736 KB
testcase_21	AC	103 ms 7,908 KB
testcase_22	AC	107 ms 7,736 KB
testcase_23	AC	107 ms 7,752 KB
testcase_24	AC	106 ms 7,856 KB
testcase_25	AC	104 ms 7,904 KB
testcase_26	AC	106 ms 7,840 KB
testcase_27	AC	171 ms 8,856 KB
testcase_28	AC	171 ms 8,808 KB
testcase_29	AC	166 ms 8,632 KB
testcase_30	AC	166 ms 8,580 KB
testcase_31	AC	167 ms 8,632 KB
testcase_32	AC	134 ms 8,368 KB
testcase_33	AC	147 ms 8,892 KB
testcase_34	AC	146 ms 8,796 KB
testcase_35	AC	161 ms 8,428 KB
testcase_36	AC	150 ms 8,384 KB
testcase_37	AC	175 ms 8,888 KB

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

raw source code

#include <bits/stdc++.h>
using namespace std;
// #include <atcoder/all>
// using namespace atcoder;

/* alias */
using ull = unsigned long long;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vll = vector<long long>;
using vd = vector<double>;
using vs = vector<string>;
using vb = vector<bool>;
using vpii = vector<pair<int, int>>;
using vpll = vector<pair<ll, ll>>;
using vvi = vector<vector<int>>;
using vvll = vector<vector<long long>>;
using vvd = vector<vector<double>>;
using vvs = vector<vector<string>>;
using vvb = vector<vector<bool>>;
template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;

/* define */
#define MOD 998244353
// #define MOD 1000000007
#define INF (1LL << 60)
#define elif else if
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define all(obj) (obj).begin(), (obj).end()
#define YESNO(bool) cout << (bool ? "YES\n" : "NO\n")
#define YesNo(bool) cout << (bool ? "Yes\n" : "No\n")
#define yesno(bool) cout << (bool ? "yes\n" : "no\n")
template<class T> bool chmax(T &a, const T &b) {if(a<b){ a=b; return 1;} return 0;}
template<class T> bool chmin(T &a, const T &b) {if(b<a){ a=b; return 1;} return 0;}
#define debug(x) cerr << #x << ":" << x << "\n";

/* REP macro */
#define reps(i, a, n) for(ll i = (a); i < (n); i++)
#define rep(i, n) reps(i, 0, (n))
#define rrep(i, n) reps(i, 1, (n + 1))
#define repd(i, n) for(ll i = (n - 1); i >= 0; i--)
#define rrepd(i, n) for(ll i = (n); i >= 1; i--)
#define fore(i, a) for(auto &i: a)

/* vector */
template<class T> T vmax(vector<T> &array){ T ret = array[0]; for(T a: array) chmax(ret, a); return ret; }
template<class T> T vmin(vector<T> &array){ T ret = array[0]; for(T a: array) chmin(ret, a); return ret; }
template<class T> T sum(vector<T> &array){ T ret = 0; for(T a:array) ret += a; return ret; }
template<class T> void list_set(vector<T> &array){ sort(all(array)); array.erase(unique(all(array)),array.end()); }
template<class T> int bisect_left(vector<T> &array, T key){ return lower_bound(all(array),key) - array.begin(); }
template<class T> int bisect_right(vector<T> &array, T key){ return upper_bound(all(array),key) - array.begin(); }

/* string */
ll string_to_ll(string n){ ll ret = 0, k = 1; while(n.length() > 0){ ret += k * (n.back() - '0'); n.pop_back(); k *= 10; } return ret; }
string ll_to_string(ll n){ string ret = ""; while(n > 0){ ret.pb((n % 10) + '0'); n /= 10; } reverse(all(ret)); return ret; }

struct popopo{ popopo(){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(15); }; } popopoppo;

// n = 1,...,N に対して、n % A < B を満たすものの数 
ll Count_of_n_mod_A_less_than_B(ll N, ll A, ll B){ return N / A * min(A, B) + min(N % A, B - 1); }


/* IN/OUT */
int scan() { return getchar(); }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(string &a) { cin >> a; }
template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); }
template <class T> void scan(vector<T> &);
template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); }

void IN(){}
template<class Head, class... Tail> void IN(Head& head, Tail &...tail){ scan(head); IN(tail...); }

#define INT(...) int __VA_ARGS__; IN(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__; IN(__VA_ARGS__)
#define STR(...) string __VA_ARGS__; IN(__VA_ARGS__)
#define VEC(type, name, size) vector<type> name(size); IN(name)
#define VECS(type, name, size) vector<type> name(size + 1); for(int i = 1; i <= size; i++) scan(name[i])

void OUT(){ cout << "\n"; }
template<class T> void output(T a){ cout << a; }
template<class T> void output(vector<T> v){ for(int i = 0; i < v.size(); i++) cout << v[i] << (i == v.size() - 1 ? "" : " "); }
template<class Head, class... Tail> void OUT(const Head &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; OUT(tail...); }

void FLASH(){ cout << endl; }
template<class Head, class... Tail> void FLASH(const Head  &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; FLASH(tail...); }
template<class T> struct CumulativeSum {
    int n;
    vector<T> data; 
    bool builded = false;
    CumulativeSum(int n) : n(n), data(n + 1) {}
    CumulativeSum(const vector<T> &v) : n(v.size()), data(n + 1) {
        for (int i = 0; i < n; i++) {
            data[i + 1] = v[i];
        }
    }

    void build() {
        for (int i = 0; i < n; i++) {
            data[i + 1] += data[i];
        }
        builded = true;
    }

    T sum(int r) {
        if (!builded) build();
        assert(0 <= r && r <= n);
        return data[r];
    }

    T sum(int l, int r) {
        assert(0 <= l && l <= r && r <= n);
        return sum(r) - sum(l);
    }

};



template <class S, S (*op)(S, S), S (*e)()> class dynamic_segtree {
public:
    dynamic_segtree(size_t n) : n(n), root(nullptr) {}

    void set(size_t p, S x) {
        assert(p < n);
        set(root, 0, n, p, x);
    }

    S get(size_t p) const {
        assert(p < n);
        return get(root, 0, n, p);
    }

    S prod(size_t l, size_t r) const {
        assert(l <= r && r <= n);
        return prod(root, 0, n, l, r);
    }

    S all_prod() const { return root ? root->product : e(); }

    void reset(size_t l, size_t r) {
        assert(l <= r && r <= n);
        return reset(root, 0, n, l, r);
    }

    template <bool (*f)(S)> size_t max_right(size_t l) const {
        return max_right(l, [](S x) { return f(x); });
    }

    template <class F> size_t max_right(size_t l, const F& f) const {
        assert(l <= n);
        S product = e();
        assert(f(product));
        return max_right(root, 0, n, l, f, product);
    }

    template <bool (*f)(S)> size_t min_left(size_t r) const {
        return min_left(r, [](S x) { return f(x); });
    }

    template <class F> size_t min_left(size_t r, const F& f) const {
        assert(r <= n);
        S product = e();
        assert(f(product));
        return min_left(root, 0, n, r, f, product);
    }

private:
    struct node;
    using node_ptr = std::unique_ptr<node>;

    struct node {
        size_t index;
        S value, product;
        node_ptr left, right;

        node(size_t index, S value)
            : index(index),
              value(value),
              product(value),
              left(nullptr),
              right(nullptr) {}

        void update() {
            product = op(op(left ? left->product : e(), value),
                         right ? right->product : e());
        }
    };

    const size_t n;
    node_ptr root;

    void set(node_ptr& t, size_t a, size_t b, size_t p, S x) const {
        if (!t) {
            t = std::make_unique<node>(p, x);
            return;
        }
        if (t->index == p) {
            t->value = x;
            t->update();
            return;
        }
        size_t c = (a + b) >> 1;
        if (p < c) {
            if (t->index < p) std::swap(t->index, p), std::swap(t->value, x);
            set(t->left, a, c, p, x);
        } else {
            if (p < t->index) std::swap(p, t->index), std::swap(x, t->value);
            set(t->right, c, b, p, x);
        }
        t->update();
    }

    S get(const node_ptr& t, size_t a, size_t b, size_t p) const {
        if (!t) return e();
        if (t->index == p) return t->value;
        size_t c = (a + b) >> 1;
        if (p < c) return get(t->left, a, c, p);
        else return get(t->right, c, b, p);
    }

    S prod(const node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
        if (!t || b <= l || r <= a) return e();
        if (l <= a && b <= r) return t->product;
        size_t c = (a + b) >> 1;
        S result = prod(t->left, a, c, l, r);
        if (l <= t->index && t->index < r) result = op(result, t->value);
        return op(result, prod(t->right, c, b, l, r));
    }

    void reset(node_ptr& t, size_t a, size_t b, size_t l, size_t r) const {
        if (!t || b <= l || r <= a) return;
        if (l <= a && b <= r) {
            t.reset();
            return;
        }
        size_t c = (a + b) >> 1;
        reset(t->left, a, c, l, r);
        reset(t->right, c, b, l, r);
        t->update();
    }

    template <class F>
    size_t max_right(const node_ptr& t, size_t a, size_t b,
                     size_t l, const F& f, S& product) const {
        if (!t || b <= l) return n;
        if (f(op(product, t->product))) {
            product = op(product, t->product);
            return n;
        }
        size_t c = (a + b) >> 1;
        size_t result = max_right(t->left, a, c, l, f, product);
        if (result != n) return result;
        if (l <= t->index) {
            product = op(product, t->value);
            if (!f(product)) return t->index;
        }
        return max_right(t->right, c, b, l, f, product);
    }

    template <class F>
    size_t min_left(const node_ptr& t, size_t a, size_t b,
                    size_t r, const F& f, S& product) const {
        if (!t || r <= a) return 0;
        if (f(op(t->product, product))) {
            product = op(t->product, product);
            return 0;
        }
        size_t c = (a + b) >> 1;
        size_t result = min_left(t->right, c, b, r, f, product);
        if (result != 0) return result;
        if (t->index < r) {
            product = op(t->value, product);
            if (!f(product)) return t->index + 1;
        }
        return min_left(t->left, a, c, r, f, product);
    }
};


using S = ll;
S op(S a, S b) {
    return a + b;
}
S e() {
    return 0;
}


int main() {

    LL(N);
    vll L(N), A(N);
    rep(i, N - 1) {
        LL(l, a);
        L[i + 1] = l;
        A[i + 1] = a - 1;
    }

    vll memo(N, -1);
    memo[0] = 1;
    // memo[i] := 技 i を覚えるのに最小のレベル
    auto lev = [&](auto &&self, ll i) -> ll {
        if (memo[i] == -2) {
            memo[i] = INF;
            return INF;
        }
        if (memo[i] != -1) return memo[i];
        memo[i] = -2;
         
        ll v = self(self, A[i]);
        memo[i] = max(v, L[i]);
        return memo[i];
    };


    dynamic_segtree<S, op, e> seg(1000000100);

    rep(i, N) {
        ll v = lev(lev, i);
        if (v == INF) {
            continue;
        }
        ll now = seg.get(v);
        seg.set(v, now + 1);
    }



    LL(Q);

    while (Q--) {

        LL(t);
        if (t == 1) {
            LL(x);
            ll ans = seg.prod(0, x + 1);
            OUT(ans);
        } else {
            LL(y);
            y--;
            ll v = lev(lev, y);
            if (v == INF) {
                v = -1;
            }
            OUT(v);
        }




    }


}

yukicoder

結果

テストケース

ソースコード