結果

問題 No.1545 [Cherry 2nd Tune N] Anthem
ユーザー ei1333333ei1333333
提出日時 2021-06-11 23:22:58
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 177 ms / 3,000 ms
コード長 4,369 bytes
コンパイル時間 3,140 ms
コンパイル使用メモリ 227,760 KB
実行使用メモリ 33,152 KB
最終ジャッジ日時 2024-05-08 19:45:53
合計ジャッジ時間 14,544 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
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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
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 54 ms
14,976 KB
testcase_05 AC 141 ms
24,320 KB
testcase_06 AC 61 ms
12,544 KB
testcase_07 AC 84 ms
16,768 KB
testcase_08 AC 117 ms
13,304 KB
testcase_09 AC 50 ms
7,296 KB
testcase_10 AC 63 ms
16,384 KB
testcase_11 AC 70 ms
15,616 KB
testcase_12 AC 111 ms
21,376 KB
testcase_13 AC 39 ms
9,984 KB
testcase_14 AC 46 ms
14,336 KB
testcase_15 AC 16 ms
6,144 KB
testcase_16 AC 61 ms
19,200 KB
testcase_17 AC 30 ms
5,504 KB
testcase_18 AC 136 ms
21,760 KB
testcase_19 AC 67 ms
12,928 KB
testcase_20 AC 28 ms
5,760 KB
testcase_21 AC 85 ms
24,960 KB
testcase_22 AC 88 ms
19,840 KB
testcase_23 AC 92 ms
10,112 KB
testcase_24 AC 5 ms
5,376 KB
testcase_25 AC 5 ms
5,376 KB
testcase_26 AC 2 ms
5,376 KB
testcase_27 AC 4 ms
5,376 KB
testcase_28 AC 6 ms
5,376 KB
testcase_29 AC 6 ms
5,376 KB
testcase_30 AC 5 ms
5,376 KB
testcase_31 AC 6 ms
5,376 KB
testcase_32 AC 4 ms
5,376 KB
testcase_33 AC 7 ms
5,376 KB
testcase_34 AC 5 ms
5,376 KB
testcase_35 AC 11 ms
5,376 KB
testcase_36 AC 9 ms
5,376 KB
testcase_37 AC 3 ms
5,376 KB
testcase_38 AC 6 ms
5,376 KB
testcase_39 AC 3 ms
5,376 KB
testcase_40 AC 4 ms
5,376 KB
testcase_41 AC 2 ms
5,376 KB
testcase_42 AC 4 ms
5,376 KB
testcase_43 AC 6 ms
5,376 KB
testcase_44 AC 4 ms
5,376 KB
testcase_45 AC 4 ms
5,376 KB
testcase_46 AC 5 ms
5,376 KB
testcase_47 AC 8 ms
5,376 KB
testcase_48 AC 11 ms
7,492 KB
testcase_49 AC 13 ms
5,376 KB
testcase_50 AC 29 ms
7,200 KB
testcase_51 AC 3 ms
5,376 KB
testcase_52 AC 31 ms
7,168 KB
testcase_53 AC 10 ms
5,376 KB
testcase_54 AC 3 ms
5,376 KB
testcase_55 AC 20 ms
6,500 KB
testcase_56 AC 4 ms
5,376 KB
testcase_57 AC 22 ms
5,632 KB
testcase_58 AC 12 ms
5,376 KB
testcase_59 AC 4 ms
5,376 KB
testcase_60 AC 4 ms
5,376 KB
testcase_61 AC 7 ms
5,376 KB
testcase_62 AC 13 ms
5,376 KB
testcase_63 AC 10 ms
5,376 KB
testcase_64 AC 177 ms
24,400 KB
testcase_65 AC 6 ms
5,376 KB
testcase_66 AC 81 ms
33,152 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 #

#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) {
  if(b < 0)b *= -1;
  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, S, T, K;
  cin >> N >> S >> T >> K;
  --S, --T;
  vector< int > X(N);
  cin >> X;
  int M;
  cin >> M;
  Graph<> g(N);
  g.read(M, -1, true, true);
  auto dp = make_v< int64 >(N, K);
  fill_v(dp, infll);
  vector< vector< pair< int, int > > > pre(N);
  for(int i = 0; i < N; i++) pre[i].assign(K, make_pair(-1, -1));
  dp[S][0] = X[S];
  using pii = tuple< int64, int, int >;
  priority_queue< pii, vector< pii >, greater<> > que;
  que.emplace(dp[S][0], S, 0);
  while(not que.empty()) {
    auto[cost, idx, k]=que.top();
    que.pop();
    if(dp[idx][k] < cost) {
      continue;
    }
    if(idx == T and k + 1 == K) {
      cout << "Possible\n";
      cout << cost << "\n";
      vector< int > ans;
      while(~idx) {
        ans.emplace_back(idx + 1);
        tie(idx, k) = pre[idx][k];
      }
      reverse(begin(ans), end(ans));
      cout << ans.size() << "\n";
      cout << ans << "\n";
      return 0;
    }
    for(auto &to : g.g[idx]) {
      if(chmin(dp[to][min(K - 1, k + 1)], cost + to.cost + X[to])) {
        pre[to][min(K - 1, k + 1)] = {idx, k};
        que.emplace(dp[to][min(K - 1, k + 1)], to, min(K - 1, k + 1));
      }
    }
  }
  cout << "Impossible\n";
}
0