結果

問題 No.2325 Skill Tree
ユーザー poyonpoyon
提出日時 2023-05-28 14:00:52
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 649 ms / 3,000 ms
コード長 7,194 bytes
コンパイル時間 2,628 ms
コンパイル使用メモリ 225,344 KB
実行使用メモリ 57,860 KB
最終ジャッジ日時 2023-08-27 08:50:16
合計ジャッジ時間 19,051 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge13
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 1 ms
4,376 KB
testcase_01 AC 2 ms
4,380 KB
testcase_02 AC 1 ms
4,380 KB
testcase_03 AC 1 ms
4,380 KB
testcase_04 AC 2 ms
4,376 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 2 ms
4,376 KB
testcase_07 AC 111 ms
13,360 KB
testcase_08 AC 103 ms
16,756 KB
testcase_09 AC 138 ms
17,384 KB
testcase_10 AC 155 ms
23,848 KB
testcase_11 AC 167 ms
21,596 KB
testcase_12 AC 335 ms
38,948 KB
testcase_13 AC 339 ms
39,160 KB
testcase_14 AC 325 ms
39,084 KB
testcase_15 AC 328 ms
39,032 KB
testcase_16 AC 336 ms
38,968 KB
testcase_17 AC 202 ms
32,200 KB
testcase_18 AC 202 ms
31,804 KB
testcase_19 AC 199 ms
31,984 KB
testcase_20 AC 205 ms
31,892 KB
testcase_21 AC 206 ms
32,004 KB
testcase_22 AC 465 ms
46,220 KB
testcase_23 AC 449 ms
46,208 KB
testcase_24 AC 459 ms
45,972 KB
testcase_25 AC 473 ms
46,224 KB
testcase_26 AC 470 ms
46,016 KB
testcase_27 AC 642 ms
50,852 KB
testcase_28 AC 636 ms
50,924 KB
testcase_29 AC 632 ms
50,800 KB
testcase_30 AC 628 ms
51,000 KB
testcase_31 AC 617 ms
50,884 KB
testcase_32 AC 560 ms
43,756 KB
testcase_33 AC 548 ms
43,700 KB
testcase_34 AC 562 ms
43,864 KB
testcase_35 AC 640 ms
57,840 KB
testcase_36 AC 628 ms
57,760 KB
testcase_37 AC 649 ms
57,860 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

diff # 

// clang-format off
#ifdef _LOCAL
    #include <pch.hpp>
#else
    #include <bits/stdc++.h>
    #define cerr if (false) cerr
    #define debug_bar
    #define debug(...)
    #define debug2(vv)
    #define debug3(vvv)
#endif

using namespace std;
using ll = long long;
using ld = long double;
using str = string;
using P = pair<ll,ll>;
using VP = vector<P>;
using VVP = vector<VP>;
using VC = vector<char>;
using VS = vector<string>;
using VVS = vector<VS>;
using VI = vector<int>;
using VVI = vector<VI>;
using VVVI = vector<VVI>;
using VLL = vector<ll>;
using VVLL = vector<VLL>;
using VVVLL = vector<VVLL>;
using VB = vector<bool>;
using VVB = vector<VB>;
using VVVB = vector<VVB>;
using VD = vector<double>;
using VVD = vector<VD>;
using VVVD = vector<VVD>;
#define FOR(i,l,r) for (ll i = (l); i < (r); ++i)
#define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define FORE(e,c) for (auto&& e : c)
#define ALL(c) (c).begin(), (c).end()
#define SORT(c) sort(ALL(c))
#define RSORT(c) sort((c).rbegin(), (c).rend())
#define MIN(c) *min_element(ALL(c))
#define MAX(c) *max_element(ALL(c))
#define COUNT(c,v) count(ALL(c),(v))
#define len(c) ((ll)(c).size())
#define BIT(b,i) (((b)>>(i)) & 1)
#define PCNT(b) ((ll)__builtin_popcountll(b))
#define LB(c,v) distance((c).begin(), lower_bound(ALL(c), (v)))
#define UB(c,v) distance((c).begin(), upper_bound(ALL(c), (v)))
#define UQ(c) do { SORT(c); (c).erase(unique(ALL(c)), (c).end()); (c).shrink_to_fit(); } while (0)
#define END(...) do { print(__VA_ARGS__); exit(0); } while (0)
constexpr ld EPS = 1e-10;
constexpr ld PI  = acosl(-1.0);
constexpr int inf = (1 << 30) - (1 << 15);   // 1,073,709,056
constexpr ll INF = (1LL << 62) - (1LL << 31);  // 4,611,686,016,279,904,256
template<class... T> void input(T&... a) { (cin >> ... >> a); }
void print() { cout << '\n'; }
template<class T> void print(const T& a) { cout << a << '\n'; }
template<class P1, class P2> void print(const pair<P1, P2>& a) { cout << a.first << " " << a.second << '\n'; }
template<class T, class... Ts> void print(const T& a, const Ts&... b) { cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }
template<class T> void cout_line(const vector<T>& ans, int l, int r) { for (int i = l; i < r; i++) { if (i != l) { cout << ' '; } cout << ans[i]; } cout << '\n'; }
template<class T> void print(const vector<T>& a) { cout_line(a, 0, a.size()); }
template<class S, class T> bool chmin(S& a, const T b) { if (b < a) { a = b; return 1; } return 0; }
template<class S, class T> bool chmax(S& a, const T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> T SUM(const vector<T>& A) { return accumulate(ALL(A), T(0)); }
template<class T> vector<T> cumsum(const vector<T>& A, bool offset = false) { int N = A.size(); vector<T> S(N+1, 0); for (int i = 0; i < N; i++) { S[i+1] = S[i] + A[i]; } if (not offset) { S.erase(S.begin()); } return S; }
template<class T> string to_binary(T x, int B = 0) { string s; while (x) { s += ('0' + (x & 1)); x >>= 1; } while ((int)s.size() < B) { s += '0'; } reverse(s.begin(), s.end()); return s; }
template<class F> ll binary_search(const F& is_ok, ll ok, ll ng) { while (abs(ok - ng) > 1) { ll m = (ok + ng) / 2; (is_ok(m) ? ok : ng) = m; } return ok; }
template<class F> double binary_search_real(const F& is_ok, double ok, double ng, int iter = 90) { for (int i = 0; i < iter; i++) { double m = (ok + ng) / 2; (is_ok(m) ? ok : ng) = m; } return ok; }
template<class T> using PQ_max = priority_queue<T>;
template<class T> using PQ_min = priority_queue<T, vector<T>, greater<T>>;
template<class T> T pick(stack<T>& s) { assert(not s.empty()); T x = s.top(); s.pop(); return x; }
template<class T> T pick(queue<T>& q) { assert(not q.empty()); T x = q.front(); q.pop(); return x; }
template<class T> T pick_front(deque<T>& dq) { assert(not dq.empty()); T x = dq.front(); dq.pop_front(); return x; }
template<class T> T pick_back(deque<T>& dq) { assert(not dq.empty()); T x = dq.back(); dq.pop_back(); return x; }
template<class T> T pick(PQ_min<T>& pq) { assert(not pq.empty()); T x = pq.top(); pq.pop(); return x; }
template<class T> T pick(PQ_max<T>& pq) { assert(not pq.empty()); T x = pq.top(); pq.pop(); return x; }
template<class T> T pick(vector<T>& v) { assert(not v.empty()); T x = v.back(); v.pop_back(); return x; }
int to_int(const char c) { if (islower(c)) { return (c - 'a'); } if (isupper(c)) { return (c - 'A'); } if (isdigit(c)) { return (c - '0'); } assert(false); }
char to_a(const int i) { assert(0 <= i && i < 26); return ('a' + i); }
char to_A(const int i) { assert(0 <= i && i < 26); return ('A' + i); }
char to_d(const int i) { assert(0 <= i && i <= 9); return ('0' + i); }
ll min(int a, ll b) { return min((ll)a, b); }
ll min(ll a, int b) { return min(a, (ll)b); }
ll max(int a, ll b) { return max((ll)a, b); }
ll max(ll a, int b) { return max(a, (ll)b); }
ll mod(ll x, ll m) { assert(m > 0); return (x % m + m) % m; }
ll ceil(ll a, ll b) { if (b < 0) { return ceil(-a, -b); } assert(b > 0); return (a < 0 ? a / b : (a + b - 1) / b); }
ll floor(ll a, ll b) { if (b < 0) { return floor(-a, -b); } assert(b > 0); return (a > 0 ? a / b : (a - b + 1) / b); }
ll powint(ll x, ll n) { assert(n >= 0); if (n == 0) { return 1; }; ll res = powint(x, n>>1); res *= res; if (n & 1) { res *= x; } return res; }
pair<ll,ll> divmod(ll a, ll b) { assert(b != 0); ll q = floor(a, b); return make_pair(q, a - q * b); }
ll bitlen(ll b) { if (b <= 0) { return 0; } return (64LL - __builtin_clzll(b)); }
ll digitlen(ll n) { assert(n >= 0); if (n == 0) { return 1; } ll sum = 0; while (n > 0) { sum++; n /= 10; } return sum; }
ll msb(ll b) { return (b <= 0 ? -1 : (63 - __builtin_clzll(b))); }
ll lsb(ll b) { return (b <= 0 ? -1 : __builtin_ctzll(b)); }
// --------------------------------------------------------

// clang-format on
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);

    ll N;
    input(N);
    VLL L(N), A(N);
    REP (i, N - 1) {
        input(L[i + 1], A[i + 1]);
        A[i + 1]--;
    }
    ll Q;
    input(Q);
    VLL t(Q), x(Q);
    REP (i, Q) { input(t[i], x[i]); }

    VLL B;
    B.push_back(1);
    FOR (i, 1, N) { B.push_back(L[i]); }
    REP (i, Q) {
        if (t[i] == 1) { B.push_back(x[i]); }
    }
    UQ(B);

    VVI G(N);
    FOR (i, 1, N) { G[A[i]].push_back(i); }

    map<ll, ll> mp1, mp2;
    PQ_min<P> pq;
    pq.emplace(0, 0);
    ll num = 0;
    FORE(level, B) {
        while (len(pq)) {
            auto [a, u] = pq.top();
            if (a <= level) {
                mp2[u] = level;
                num++;
                pq.pop();
                FORE(v, G[u]) {
                    pq.emplace(L[v], v);
                }
            } else {
                break;
            }
        }
        mp1[level] = num;
    }

    REP (i, Q) {
        ll ans = 0;
        if (t[i] == 1) {
            ans = mp1[x[i]];
        } else {
            auto it = mp2.find(x[i] - 1);
            if (it == mp2.end()) {
                ans = -1;
            } else {
                ans = it->second;
            }
        }
        print(ans);
    }

    return 0;
}
0