結果
問題 | No.1077 Noelちゃんと星々4 |
ユーザー | ei1333333 |
提出日時 | 2020-06-12 21:31:41 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 3,277 bytes |
コンパイル時間 | 2,894 ms |
コンパイル使用メモリ | 216,368 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 04:30:32 |
合計ジャッジ時間 | 3,373 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 3 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using int64 = long long; const int mod = 1e9 + 7; // const int mod = 998244353; const int64 infll = (1LL << 62) - 1; const int inf = (1 << 30) - 1; struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template< typename T1, typename T2 > ostream &operator<<(ostream &os, const pair< T1, T2 > &p) { os << p.first << " " << p.second; return os; } template< typename T1, typename T2 > istream &operator>>(istream &is, pair< T1, T2 > &p) { is >> p.first >> p.second; return is; } template< typename T > ostream &operator<<(ostream &os, const vector< T > &v) { for(int i = 0; i < (int) v.size(); i++) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template< typename T > istream &operator>>(istream &is, vector< T > &v) { for(T &in : v) is >> in; return is; } template< typename T1, typename T2 > inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template< typename T1, typename T2 > inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template< typename T = int64 > vector< T > make_v(size_t a) { return vector< T >(a); } template< typename T, typename... Ts > auto make_v(size_t a, Ts... ts) { return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...)); } template< typename T, typename V > typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) { t = v; } template< typename T, typename V > typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) { for(auto &e : t) fill_v(e, v); } template< typename F > struct FixPoint : F { FixPoint(F &&f) : F(forward< F >(f)) {} template< typename... Args > decltype(auto) operator()(Args &&... args) const { return F::operator()(*this, forward< Args >(args)...); } }; template< typename F > inline decltype(auto) MFP(F &&f) { return FixPoint< F >{forward< F >(f)}; } using LL = int64; int main() { int N; cin >> N; vector< LL > val(N, 0); vector< vector< int > > child(N, vector< int >()); cin >> val[0]; if(N == 1) { cout << 0 << endl; return 0; } val[0] *= -1; LL sum = -val[0]; for(int i = 1; i < N; i++) { LL c; cin >> c; c *= -1; LL p = i - 1; val[i] = c; child[p].push_back(i); sum -= val[i]; } vector< priority_queue< LL > > qu; vector< int > ind(N, 0); int itr = 0; for(int i = N - 1; i >= 0; i--) { if(child[i].size() == 0 && i > 0) { priority_queue< LL > tmp; tmp.push(val[i]); qu.push_back(tmp); ind[i] = itr; itr++; sum += val[i]; continue; } int cand = -1; int maxim = 0; for(auto v : child[i]) { if(maxim < qu[ind[v]].size()) { maxim = qu[ind[v]].size(); cand = v; } } ind[i] = ind[cand]; for(auto v: child[i]) { if(v == cand) continue; int from = ind[v]; while(!qu[from].empty()) { qu[ind[i]].push(qu[from].top()); qu[from].pop(); } } qu[ind[i]].push(val[i]); qu[ind[i]].push(val[i]); sum += qu[ind[i]].top(); qu[ind[i]].pop(); } cout << sum << endl; }