結果
問題 | No.2325 Skill Tree |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-05-28 14:05:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 575 ms / 3,000 ms |
コード長 | 4,319 bytes |
コンパイル時間 | 4,757 ms |
コンパイル使用メモリ | 231,292 KB |
実行使用メモリ | 20,876 KB |
最終ジャッジ日時 | 2024-06-08 04:41:13 |
合計ジャッジ時間 | 23,145 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 225 ms
5,760 KB |
testcase_08 | AC | 154 ms
10,836 KB |
testcase_09 | AC | 255 ms
8,320 KB |
testcase_10 | AC | 192 ms
16,128 KB |
testcase_11 | AC | 265 ms
12,036 KB |
testcase_12 | AC | 486 ms
20,628 KB |
testcase_13 | AC | 465 ms
20,652 KB |
testcase_14 | AC | 476 ms
20,756 KB |
testcase_15 | AC | 469 ms
20,748 KB |
testcase_16 | AC | 501 ms
20,756 KB |
testcase_17 | AC | 490 ms
20,628 KB |
testcase_18 | AC | 454 ms
20,748 KB |
testcase_19 | AC | 451 ms
20,752 KB |
testcase_20 | AC | 450 ms
20,740 KB |
testcase_21 | AC | 447 ms
20,756 KB |
testcase_22 | AC | 474 ms
20,752 KB |
testcase_23 | AC | 468 ms
20,620 KB |
testcase_24 | AC | 477 ms
20,756 KB |
testcase_25 | AC | 472 ms
20,876 KB |
testcase_26 | AC | 473 ms
20,752 KB |
testcase_27 | AC | 493 ms
20,356 KB |
testcase_28 | AC | 488 ms
20,376 KB |
testcase_29 | AC | 497 ms
20,376 KB |
testcase_30 | AC | 503 ms
20,404 KB |
testcase_31 | AC | 510 ms
20,412 KB |
testcase_32 | AC | 483 ms
20,352 KB |
testcase_33 | AC | 491 ms
20,204 KB |
testcase_34 | AC | 473 ms
20,232 KB |
testcase_35 | AC | 575 ms
20,356 KB |
testcase_36 | AC | 564 ms
20,400 KB |
testcase_37 | AC | 529 ms
20,156 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <iostream> #include <iomanip> #include <string> #include <vector> #include <algorithm> #include <functional> #include <stack> #include <queue> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cmath> #include <cassert> #include <ctime> #include <utility> #include <random> #include <tuple> #include <bitset> #include <atcoder/all> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int,int> #define pil pair<int,ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int,int>> #define vpll vector<pair<ll,ll>> #define vvpii vector<vector<pair<int,int>>> #define vvpll vector<vector<pair<ll,ll>>> template<typename T> void debug(T e){ cerr << e << endl; } template<typename T> void debug(vector<T> &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template<typename T> void debug(vector<vector<T>> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template<typename T> void debug(vector<pair<T, T>> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template<typename T> void debug(set<T> &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(multiset<T> &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(map<T, T> &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod){ // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0){ ret = 1; } else if (n % 2 == 1){ ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else{ ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod){ return my_pow(x, mod - 2, mod); } int main(){ ll N; cin >> N; vl L(N); vl A(N); for (ll i = 1; i < N; i++){ cin >> L[i] >> A[i]; A[i]--; } vvl graph(N, vl(0)); vl count(N, 0); for (ll i = 1; i < N; i++){ graph[A[i]].push_back(i); count[i]++; } //debug(graph); ll INF = 100000000000000000; vl dp(N, INF); dp[0] = 0; queue<ll> que; for (ll i = 0; i < N; i++){ if (count[i] == 0) que.push(i); } while (que.size()){ ll p = que.front(); que.pop(); for (ll i = 0; i < graph[p].size(); i++){ ll val = graph[p][i]; count[val]--; if (count[val] == 0){ dp[val] = max(L[val], dp[p]); que.push(val); } } } vl vec(0); for (ll i = 0; i < N; i++){ vec.push_back(dp[i]); } sort(all(vec)); //debug(vec); ll Q; cin >> Q; for (ll i = 0; i < Q; i++){ ll t, d; cin >> t >> d; if (t == 1){ auto itr = lower_bound(all(vec), d + 1); ll idx = itr - vec.begin(); cout << idx << endl; } else{ d--; if (dp[d] == INF){ cout << -1 << endl; } else{ cout << dp[d] << endl; } } } }