結果
問題 | No.1308 ジャンプビーコン |
ユーザー | ei1333333 |
提出日時 | 2020-12-05 00:23:25 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 609 ms / 4,000 ms |
コード長 | 4,235 bytes |
コンパイル時間 | 2,401 ms |
コンパイル使用メモリ | 213,096 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-15 09:18:29 |
合計ジャッジ時間 | 10,009 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 18 ms
5,376 KB |
testcase_14 | AC | 17 ms
5,376 KB |
testcase_15 | AC | 18 ms
5,376 KB |
testcase_16 | AC | 16 ms
5,376 KB |
testcase_17 | AC | 16 ms
5,376 KB |
testcase_18 | AC | 450 ms
5,376 KB |
testcase_19 | AC | 451 ms
5,376 KB |
testcase_20 | AC | 459 ms
5,376 KB |
testcase_21 | AC | 460 ms
5,376 KB |
testcase_22 | AC | 460 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 192 ms
5,376 KB |
testcase_27 | AC | 185 ms
5,376 KB |
testcase_28 | AC | 186 ms
5,376 KB |
testcase_29 | AC | 245 ms
5,376 KB |
testcase_30 | AC | 238 ms
5,376 KB |
testcase_31 | AC | 251 ms
5,376 KB |
testcase_32 | AC | 326 ms
5,376 KB |
testcase_33 | AC | 413 ms
5,376 KB |
testcase_34 | AC | 189 ms
5,376 KB |
testcase_35 | AC | 187 ms
5,376 KB |
testcase_36 | AC | 247 ms
5,376 KB |
testcase_37 | AC | 245 ms
5,376 KB |
testcase_38 | AC | 609 ms
5,376 KB |
testcase_39 | AC | 608 ms
5,376 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)}; } template< typename T = int > struct Edge { int from, to; T cost; int idx; Edge() = default; Edge(int from, int to, T cost = 1, int idx = -1) : from(from), to(to), cost(cost), idx(idx) {} operator int() const { return to; } }; template< typename T = int > struct Graph { vector< vector< Edge< T > > > g; int es; Graph() = default; explicit Graph(int n) : g(n), es(0) {} size_t size() const { return g.size(); } void add_directed_edge(int from, int to, T cost = 1) { g[from].emplace_back(from, to, cost, es++); } void add_edge(int from, int to, T cost = 1) { g[from].emplace_back(from, to, cost, es); g[to].emplace_back(to, from, cost, es++); } void read(int M, int padding = -1, bool weighted = false, bool directed = false) { for(int i = 0; i < M; i++) { int a, b; cin >> a >> b; a += padding; b += padding; T c = T(1); if(weighted) cin >> c; if(directed) add_directed_edge(a, b, c); else add_edge(a, b, c); } } }; template< typename T = int > using Edges = vector< Edge< T > >; int main() { int N, Q, C; cin >> N >> Q >> C; Graph<> g(N); g.read(N - 1, -1, true); vector< int > X(Q); cin >> X; for(auto &x : X) --x; auto dp = make_v< int64 >(N); fill_v(dp, infll); dp[X[0]] = 0; for(int i = 1; i < Q; i++) { auto dp2 = make_v< int64 >(N); fill_v(dp2, infll); auto dfs = MFP([&](auto dfs, int idx, int par, int64 dist) -> int64 { int64 res = dp[idx] + (X[i - 1] == idx ? 0 : C); for(auto &to : g.g[idx]) { if(to == par) continue; chmin(res, dfs(to, idx, dist + to.cost) + to.cost); } chmin(dp2[idx], res + dist); return res; }); dfs(X[i], -1, 0); auto dfs2 = MFP([&](auto dfs2, int idx, int par) -> int64 { if(idx == X[i - 1]) return 0; int64 ret = infll; for(auto &to : g.g[idx]) { if(to == par) continue; chmin(ret, dfs2(to, idx) + to.cost); } return ret; }); auto dist = dfs2(X[i], -1); for(int j = 0; j < N; j++) chmin(dp2[j], dp[j] + dist); dp = move(dp2); } cout << *min_element(begin(dp), end(dp)) << "\n"; }