結果

問題 No.2431 Viral Hotel
ユーザー 👑 rin204rin204
提出日時 2023-09-18 18:39:35
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 108 ms / 2,000 ms
コード長 12,072 bytes
コンパイル時間 3,010 ms
コンパイル使用メモリ 263,492 KB
実行使用メモリ 13,468 KB
最終ジャッジ日時 2024-07-05 08:36:54
合計ジャッジ時間 7,325 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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 81 ms
10,520 KB
testcase_01 AC 70 ms
10,000 KB
testcase_02 AC 76 ms
10,160 KB
testcase_03 AC 86 ms
10,988 KB
testcase_04 AC 90 ms
11,788 KB
testcase_05 AC 97 ms
12,096 KB
testcase_06 AC 17 ms
5,376 KB
testcase_07 AC 17 ms
5,376 KB
testcase_08 AC 17 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
testcase_10 AC 2 ms
5,376 KB
testcase_11 AC 2 ms
5,376 KB
testcase_12 AC 108 ms
13,468 KB
testcase_13 AC 87 ms
10,472 KB
testcase_14 AC 43 ms
7,800 KB
testcase_15 AC 17 ms
5,376 KB
testcase_16 AC 56 ms
10,512 KB
testcase_17 AC 34 ms
6,656 KB
testcase_18 AC 82 ms
11,808 KB
testcase_19 AC 56 ms
9,152 KB
testcase_20 AC 25 ms
6,400 KB
testcase_21 AC 20 ms
5,608 KB
testcase_22 AC 52 ms
8,472 KB
testcase_23 AC 56 ms
8,260 KB
testcase_24 AC 34 ms
7,424 KB
testcase_25 AC 78 ms
9,816 KB
testcase_26 AC 46 ms
8,448 KB
testcase_27 AC 52 ms
8,156 KB
testcase_28 AC 41 ms
7,168 KB
testcase_29 AC 41 ms
7,120 KB
testcase_30 AC 48 ms
7,296 KB
testcase_31 AC 69 ms
10,288 KB
testcase_32 AC 20 ms
5,376 KB
testcase_33 AC 39 ms
6,860 KB
testcase_34 AC 5 ms
5,376 KB
testcase_35 AC 14 ms
5,376 KB
testcase_36 AC 73 ms
10,412 KB
testcase_37 AC 50 ms
8,328 KB
testcase_38 AC 23 ms
6,400 KB
testcase_39 AC 2 ms
5,376 KB
testcase_40 AC 2 ms
5,376 KB
testcase_41 AC 2 ms
5,376 KB
testcase_42 AC 2 ms
5,376 KB
testcase_43 AC 93 ms
13,240 KB
testcase_44 AC 58 ms
9,284 KB
testcase_45 AC 46 ms
7,492 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'void solve()':
main.cpp:485:18: warning: narrowing conversion of 'p' from 'templates::ll' {aka 'long long int'} to 'int' [-Wnarrowing]
  485 |         hq.push({p, {0, x}});
      |                  ^
main.cpp:486:16: warning: narrowing conversion of 'S.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)x))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing]
  486 |         hq.push({S[x], {1, x}});
      |         ~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:503:28: warning: narrowing conversion of '(((templates::ll)d) + p)' from 'templates::ll' {aka 'long long int'} to 'int' [-Wnarrowing]
  503 |                 hq.push({d + p, {0, v}});
      |                          ~~^~~
main.cpp:504:28: warning: narrowing conversion of '(((__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)d) + S.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)v)))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing]
  504 |                 hq.push({d + S[v], {1, v}});

ソースコード

diff # 

// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;

namespace templates {
// type
using ll  = long long;
using ull = unsigned long long;
template <class T>
using pq = priority_queue<T>;
template <class T>
using qp = priority_queue<T, vector<T>, greater<T>>;
#define vec(T, A, ...) vector<T> A(__VA_ARGS__);
#define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__));
#define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__)));

// for loop
#define fori1(a) for (ll _ = 0; _ < (a); _++)
#define fori2(i, a) for (ll i = 0; i < (a); i++)
#define fori3(i, a, b) for (ll i = (a); i < (b); i++)
#define fori4(i, a, b, c) for (ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c))
#define overload4(a, b, c, d, e, ...) e
#define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__)

// declare and input
// clang-format off
#define INT(...) int __VA_ARGS__; inp(__VA_ARGS__);
#define LL(...) ll __VA_ARGS__; inp(__VA_ARGS__);
#define STRING(...) string __VA_ARGS__; inp(__VA_ARGS__);
#define CHAR(...) char __VA_ARGS__; inp(__VA_ARGS__);
#define DOUBLE(...) double __VA_ARGS__; STRING(str___); __VA_ARGS__ = stod(str___);
#define VEC(T, A, n) vector<T> A(n); inp(A);
#define VVEC(T, A, n, m) vector<vector<T>> A(n, vector<T>(m)); inp(A);
// clang-format on

// const value
const ll MOD1   = 1000000007;
const ll MOD9   = 998244353;
const double PI = acos(-1);

// other macro
#ifndef RIN__LOCAL
#define endl "\n"
#endif
#define spa ' '
#define len(A) ll(A.size())
#define all(A) begin(A), end(A)

// function
vector<char> stoc(string &S) {
    int n = S.size();
    vector<char> ret(n);
    for (int i = 0; i < n; i++) ret[i] = S[i];
    return ret;
}
string ctos(vector<char> &S) {
    int n      = S.size();
    string ret = "";
    for (int i = 0; i < n; i++) ret += S[i];
    return ret;
}

template <class T>
auto min(const T &a) {
    return *min_element(all(a));
}
template <class T>
auto max(const T &a) {
    return *max_element(all(a));
}
template <class T, class S>
auto clamp(T &a, const S &l, const S &r) {
    return (a > r ? r : a < l ? l : a);
}
template <class T, class S>
inline bool chmax(T &a, const S &b) {
    return (a < b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chmin(T &a, const S &b) {
    return (a > b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chclamp(T &a, const S &l, const S &r) {
    auto b = clamp(a, l, r);
    return (a != b ? a = b, 1 : 0);
}

template <typename T>
T sum(vector<T> &A) {
    T tot = 0;
    for (auto a : A) tot += a;
    return tot;
}

template <typename T>
vector<T> compression(vector<T> X) {
    sort(all(X));
    X.erase(unique(all(X)), X.end());
    return X;
}

// input and output
namespace io {

// vector<T>
template <typename T>
istream &operator>>(istream &is, vector<T> &A) {
    for (auto &a : A) is >> a;
    return is;
}
template <typename T>
ostream &operator<<(ostream &os, vector<T> &A) {
    for (size_t i = 0; i < A.size(); i++) {
        os << A[i];
        if (i != A.size() - 1) os << ' ';
    }
    return os;
}

// vector<vector<T>>
template <typename T>
istream &operator>>(istream &is, vector<vector<T>> &A) {
    for (auto &a : A) is >> a;
    return is;
}
template <typename T>
ostream &operator<<(ostream &os, vector<vector<T>> &A) {
    for (size_t i = 0; i < A.size(); i++) {
        os << A[i];
        if (i != A.size() - 1) os << endl;
    }
    return os;
}

// pair<S, T>
template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &A) {
    is >> A.first >> A.second;
    return is;
}
template <typename S, typename T>
ostream &operator<<(ostream &os, pair<S, T> &A) {
    os << A.first << ' ' << A.second;
    return os;
}

// vector<pair<S, T>>
template <typename S, typename T>
ostream &operator<<(ostream &os, vector<pair<S, T>> &A) {
    for (size_t i = 0; i < A.size(); i++) {
        os << A[i];
        if (i != A.size() - 1) os << endl;
    }
    return os;
}

// set<T>
template <typename T>
ostream &operator<<(ostream &os, set<T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << ' ';
    }
    return os;
}

// unordered_set<T>
template <typename T>
ostream &operator<<(ostream &os, unordered_set<T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << ' ';
    }
    return os;
}

// multiset<T>
template <typename T>
ostream &operator<<(ostream &os, multiset<T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << ' ';
    }
    return os;
}

// unordered_multiset<T>
template <typename T>
ostream &operator<<(ostream &os, unordered_multiset<T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << endl;
    }
    return os;
}

// map<S, T>
template <typename S, typename T>
ostream &operator<<(ostream &os, map<S, T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << endl;
    }
    return os;
}

// unordered_map<S, T>
template <typename S, typename T>
ostream &operator<<(ostream &os, unordered_map<S, T> &A) {
    for (auto itr = A.begin(); itr != A.end(); itr++) {
        os << *itr;
        if (next(itr) != A.end()) os << endl;
    }
    return os;
}

// tuple
template <typename T, size_t N>
struct TuplePrint {
    static ostream &print(ostream &os, const T &t) {
        TuplePrint<T, N - 1>::print(os, t);
        os << ' ' << get<N - 1>(t);
        return os;
    }
};
template <typename T>
struct TuplePrint<T, 1> {
    static ostream &print(ostream &os, const T &t) {
        os << get<0>(t);
        return os;
    }
};
template <typename... Args>
ostream &operator<<(ostream &os, const tuple<Args...> &t) {
    TuplePrint<decltype(t), sizeof...(Args)>::print(os, t);
    return os;
}

// queue<T>
template <typename T>
ostream &operator<<(ostream &os, queue<T> &A) {
    auto B = A;
    while (!B.empty()) {
        os << B.front();
        B.pop();
        if (!B.empty()) os << ' ';
    }
    return os;
}

// deque<T>
template <typename T>
ostream &operator<<(ostream &os, deque<T> &A) {
    auto B = A;
    while (!B.empty()) {
        os << B.front();
        B.pop_front();
        if (!B.empty()) os << ' ';
    }
    return os;
}

// stack<T>
template <typename T>
ostream &operator<<(ostream &os, stack<T> &A) {
    auto B = A;
    stack<T> C;
    while (!B.empty()) {
        C.push(B.top());
        B.pop();
    }
    while (!C.empty()) {
        os << C.top();
        C.pop();
        if (!C.empty()) os << ' ';
    }
    return os;
}

// priority_queue<T>
template <typename T>
ostream &operator<<(ostream &os, priority_queue<T> &A) {
    auto B = A;
    while (!B.empty()) {
        os << B.top();
        B.pop();
        if (!B.empty()) os << endl;
    }
    return os;
}

// bitset<N>
template <size_t N>
ostream &operator<<(ostream &os, bitset<N> &A) {
    for (size_t i = 0; i < N; i++) {
        os << A[i];
    }
    return os;
}

// io functions
void FLUSH() {
    cout << flush;
}

void print() {
    cout << endl;
}
template <class Head, class... Tail>
void print(Head &&head, Tail &&...tail) {
    cout << head;
    if (sizeof...(Tail)) cout << spa;
    print(forward<Tail>(tail)...);
}

template <typename T, typename S>
void prisep(vector<T> &A, S sep) {
    int n = A.size();
    for (int i = 0; i < n; i++) {
        cout << A[i];
        if (i != n - 1) cout << sep;
    }
    cout << endl;
}
template <typename T, typename S>
void priend(T A, S end) {
    cout << A << end;
}
template <typename T>
void prispa(T A) {
    priend(A, spa);
}
template <typename T, typename S>
bool printif(bool f, T A, S B) {
    if (f)
        print(A);
    else
        print(B);
    return f;
}

template <class... T>
void inp(T &...a) {
    (cin >> ... >> a);
}

} // namespace io
using namespace io;

// read graph
vector<vector<int>> read_edges(int n, int m, bool direct = false, int indexed = 1) {
    vector<vector<int>> edges(n, vector<int>());
    for (int i = 0; i < m; i++) {
        INT(u, v);
        u -= indexed;
        v -= indexed;
        edges[u].push_back(v);
        if (!direct) edges[v].push_back(u);
    }
    return edges;
}
vector<vector<int>> read_tree(int n, int indexed = 1) {
    return read_edges(n, n - 1, false, indexed);
}

template <typename T = long long>
vector<vector<pair<int, T>>> read_wedges(int n, int m, bool direct = false, int indexed = 1) {
    vector<vector<pair<int, T>>> edges(n, vector<pair<int, T>>());
    for (int i = 0; i < m; i++) {
        INT(u, v);
        T w;
        inp(w);
        u -= indexed;
        v -= indexed;
        edges[u].push_back({v, w});
        if (!direct) edges[v].push_back({u, w});
    }
    return edges;
}
template <typename T = long long>
vector<vector<pair<int, T>>> read_wtree(int n, int indexed = 1) {
    return read_wedges<T>(n, n - 1, false, indexed);
}

// yes / no
namespace yesno {

// yes
inline bool yes(bool f = true) {
    cout << (f ? "yes" : "no") << endl;
    return f;
}
inline bool Yes(bool f = true) {
    cout << (f ? "Yes" : "No") << endl;
    return f;
}
inline bool YES(bool f = true) {
    cout << (f ? "YES" : "NO") << endl;
    return f;
}

// no
inline bool no(bool f = true) {
    cout << (!f ? "yes" : "no") << endl;
    return f;
}
inline bool No(bool f = true) {
    cout << (!f ? "Yes" : "No") << endl;
    return f;
}
inline bool NO(bool f = true) {
    cout << (!f ? "YES" : "NO") << endl;
    return f;
}

// possible
inline bool possible(bool f = true) {
    cout << (f ? "possible" : "impossible") << endl;
    return f;
}
inline bool Possible(bool f = true) {
    cout << (f ? "Possible" : "Impossible") << endl;
    return f;
}
inline bool POSSIBLE(bool f = true) {
    cout << (f ? "POSSIBLE" : "IMPOSSIBLE") << endl;
    return f;
}

// impossible
inline bool impossible(bool f = true) {
    cout << (!f ? "possible" : "impossible") << endl;
    return f;
}
inline bool Impossible(bool f = true) {
    cout << (!f ? "Possible" : "Impossible") << endl;
    return f;
}
inline bool IMPOSSIBLE(bool f = true) {
    cout << (!f ? "POSSIBLE" : "IMPOSSIBLE") << endl;
    return f;
}

// Alice Bob
inline bool Alice(bool f = true) {
    cout << (f ? "Alice" : "Bob") << endl;
    return f;
}
inline bool Bob(bool f = true) {
    cout << (f ? "Bob" : "Alice") << endl;
    return f;
}

// Takahashi Aoki
inline bool Takahashi(bool f = true) {
    cout << (f ? "Takahashi" : "Aoki") << endl;
    return f;
}
inline bool Aoki(bool f = true) {
    cout << (f ? "Aoki" : "Takahashi") << endl;
    return f;
}

} // namespace yesno
using namespace yesno;

} // namespace templates
using namespace templates;

void solve() {
    LL(n, k, m, p);
    auto edges = read_edges(n, m);
    VEC(ll, S, n);
    VEC(ll, X, k);

    using P = pair<int, pair<int, int>>;

    vec(int, state, n, 0);
    qp<P> hq;
    for (auto x : X) {
        x--;
        hq.push({p, {0, x}});
        hq.push({S[x], {1, x}});
        state[x] = -1;
    }

    int ans = 0;
    while (!hq.empty()) {
        auto d      = hq.top().first;
        auto [t, u] = hq.top().second;
        hq.pop();
        if (state[u] > 0 and state[u] < d) {
            continue;
        } else if (t == 0) {
            state[u] = -2;
            continue;
        }
        for (auto v : edges[u]) {
            if (state[v] == 0) {
                hq.push({d + p, {0, v}});
                hq.push({d + S[v], {1, v}});
                state[v] = -1;
            } else if (state[v] == -1) {
                state[v] = d;
                ans++;
            }
        }
    }
    print(ans);
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
    // cout << fixed << setprecision(12);
    int t;
    t = 1;
    // cin >> t;
    while (t--) solve();
    return 0;
}
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