結果
問題 | No.2325 Skill Tree |
ユーザー | tokusakurai |
提出日時 | 2023-05-28 15:59:26 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 223 ms / 3,000 ms |
コード長 | 4,778 bytes |
コンパイル時間 | 2,605 ms |
コンパイル使用メモリ | 219,540 KB |
実行使用メモリ | 16,948 KB |
最終ジャッジ日時 | 2024-06-08 09:06:59 |
合計ジャッジ時間 | 12,067 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 41 ms
6,940 KB |
testcase_08 | AC | 49 ms
8,704 KB |
testcase_09 | AC | 57 ms
6,940 KB |
testcase_10 | AC | 77 ms
12,416 KB |
testcase_11 | AC | 74 ms
9,728 KB |
testcase_12 | AC | 141 ms
16,332 KB |
testcase_13 | AC | 141 ms
16,424 KB |
testcase_14 | AC | 137 ms
16,356 KB |
testcase_15 | AC | 138 ms
16,384 KB |
testcase_16 | AC | 139 ms
16,272 KB |
testcase_17 | AC | 143 ms
16,428 KB |
testcase_18 | AC | 133 ms
16,396 KB |
testcase_19 | AC | 135 ms
16,344 KB |
testcase_20 | AC | 137 ms
16,180 KB |
testcase_21 | AC | 133 ms
16,344 KB |
testcase_22 | AC | 140 ms
16,376 KB |
testcase_23 | AC | 136 ms
16,356 KB |
testcase_24 | AC | 139 ms
16,324 KB |
testcase_25 | AC | 132 ms
16,384 KB |
testcase_26 | AC | 140 ms
16,380 KB |
testcase_27 | AC | 223 ms
16,456 KB |
testcase_28 | AC | 213 ms
16,380 KB |
testcase_29 | AC | 218 ms
16,420 KB |
testcase_30 | AC | 208 ms
16,448 KB |
testcase_31 | AC | 211 ms
16,308 KB |
testcase_32 | AC | 186 ms
16,700 KB |
testcase_33 | AC | 206 ms
16,516 KB |
testcase_34 | AC | 205 ms
16,488 KB |
testcase_35 | AC | 210 ms
16,564 KB |
testcase_36 | AC | 192 ms
16,948 KB |
testcase_37 | AC | 214 ms
16,560 KB |
ソースコード
#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 popcount(int x) { return __builtin_popcount(x); } int popcount(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); } } io_setup; constexpr int inf = (1 << 30) - 1; constexpr ll INF = (1LL << 60) - 1; // constexpr int MOD = 1000000007; constexpr int MOD = 998244353; void solve() { int N; cin >> N; vector<vector<pll>> es(N); rep2(i, 1, N) { ll L; int p; cin >> L >> p; p--; es[p].eb(i, L); } vector<ll> dp(N, INF); dp[0] = 0; minheap<pli> que; que.emplace(0, 0); while (!empty(que)) { auto [d, i] = que.top(); que.pop(); if (d > dp[i]) continue; each(e, es[i]) { if (chmin(dp[e.first], max(dp[i], e.second))) { que.emplace(dp[e.first], e.first); // } } } // print(dp); auto d = dp; sort(all(d)); int Q; cin >> Q; while (Q--) { int t; cin >> t; if (t == 1) { ll x; cin >> x; cout << ub(d, x) << '\n'; } else { int y; cin >> y; y--; cout << (dp[y] >= INF ? -1 : dp[y]) << '\n'; } } } int main() { int T = 1; // cin >> T; while (T--) solve(); }