結果

問題 No.2325 Skill Tree
ユーザー Kyo_s_sKyo_s_s
提出日時 2023-05-28 14:00:46
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
実行時間 -
コード長 5,911 bytes
コンパイル時間 1,687 ms
コンパイル使用メモリ 172,692 KB
実行使用メモリ 11,024 KB
最終ジャッジ日時 2023-08-27 08:49:16
合計ジャッジ時間 10,988 ms
ジャッジサーバーID
(参考情報)
judge13 / judge12
このコードへのチャレンジ
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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 5 ms
6,216 KB
testcase_01 AC 4 ms
6,104 KB
testcase_02 AC 4 ms
6,252 KB
testcase_03 AC 4 ms
6,252 KB
testcase_04 AC 4 ms
6,264 KB
testcase_05 AC 4 ms
6,256 KB
testcase_06 AC 4 ms
6,268 KB
testcase_07 RE -
testcase_08 RE -
testcase_09 RE -
testcase_10 RE -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 RE -
testcase_15 RE -
testcase_16 AC 110 ms
10,988 KB
testcase_17 AC 108 ms
11,024 KB
testcase_18 RE -
testcase_19 AC 108 ms
10,992 KB
testcase_20 RE -
testcase_21 AC 107 ms
10,964 KB
testcase_22 RE -
testcase_23 RE -
testcase_24 RE -
testcase_25 AC 105 ms
10,864 KB
testcase_26 RE -
testcase_27 RE -
testcase_28 RE -
testcase_29 RE -
testcase_30 RE -
testcase_31 RE -
testcase_32 RE -
testcase_33 RE -
testcase_34 RE -
testcase_35 RE -
testcase_36 RE -
testcase_37 RE -
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;
// #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);
    }

};

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];
    };


    vll c(202020, 0);
    rep(i, N) {
        ll v = lev(lev, i);
        if (v == INF) continue;
        c[v]++;
    }

    CumulativeSum<ll> cs(c);
    cs.build();
    
    LL(Q);

    while (Q--) {

        LL(t);
        if (t == 1) {
            LL(x);
            OUT(cs.sum(min(202000LL, x + 1)));
        } else {
            LL(y);
            y--;
            ll v = lev(lev, y);
            if (v == INF) {
                v = -1;
            }
            OUT(v);
        }




    }


}
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