結果

問題 No.2431 Viral Hotel
ユーザー dyktr_06dyktr_06
提出日時 2023-08-19 00:01:18
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 141 ms / 2,000 ms
コード長 5,824 bytes
コンパイル時間 5,814 ms
コンパイル使用メモリ 276,652 KB
実行使用メモリ 24,708 KB
最終ジャッジ日時 2024-11-28 11:55:29
合計ジャッジ時間 9,896 ms
ジャッジサーバーID
（参考情報） 		judge2 / 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 107 ms
18,324 KB
testcase_01 AC 91 ms
16,700 KB
testcase_02 AC 97 ms
17,400 KB
testcase_03 AC 108 ms
17,552 KB
testcase_04 AC 112 ms
18,364 KB
testcase_05 AC 124 ms
19,392 KB
testcase_06 AC 58 ms
14,848 KB
testcase_07 AC 58 ms
14,844 KB
testcase_08 AC 58 ms
14,704 KB
testcase_09 AC 2 ms
5,248 KB
testcase_10 AC 2 ms
5,248 KB
testcase_11 AC 2 ms
5,248 KB
testcase_12 AC 141 ms
24,708 KB
testcase_13 AC 112 ms
17,684 KB
testcase_14 AC 44 ms
10,616 KB
testcase_15 AC 25 ms
7,496 KB
testcase_16 AC 46 ms
14,356 KB
testcase_17 AC 45 ms
10,112 KB
testcase_18 AC 106 ms
21,576 KB
testcase_19 AC 54 ms
12,536 KB
testcase_20 AC 28 ms
8,068 KB
testcase_21 AC 27 ms
8,056 KB
testcase_22 AC 76 ms
14,680 KB
testcase_23 AC 78 ms
13,780 KB
testcase_24 AC 35 ms
9,536 KB
testcase_25 AC 95 ms
15,956 KB
testcase_26 AC 51 ms
11,648 KB
testcase_27 AC 66 ms
12,740 KB
testcase_28 AC 52 ms
11,072 KB
testcase_29 AC 58 ms
11,352 KB
testcase_30 AC 71 ms
13,888 KB
testcase_31 AC 76 ms
14,400 KB
testcase_32 AC 30 ms
7,880 KB
testcase_33 AC 56 ms
10,948 KB
testcase_34 AC 6 ms
5,248 KB
testcase_35 AC 15 ms
5,872 KB
testcase_36 AC 78 ms
16,568 KB
testcase_37 AC 61 ms
13,716 KB
testcase_38 AC 24 ms
7,972 KB
testcase_39 AC 2 ms
5,248 KB
testcase_40 AC 2 ms
5,248 KB
testcase_41 AC 2 ms
5,248 KB
testcase_42 AC 2 ms
5,248 KB
testcase_43 AC 112 ms
23,028 KB
testcase_44 AC 68 ms
14,960 KB
testcase_45 AC 48 ms
10,272 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>
#include <atcoder/all>

using namespace std;
using namespace atcoder;

#define overload4(_1, _2, _3, _4, name, ...) name
#define rep1(n) for(int i = 0; i < (int)(n); ++i)
#define rep2(i, n) for(int i = 0; i < (int)(n); ++i)
#define rep3(i, a, b) for(int i = (a); i < (int)(b); ++i)
#define rep4(i, a, b, c) for(int i = (a); i < (int)(b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i)
#define ALL(a) a.begin(), a.end()
#define Sort(a) sort(a.begin(), a.end())
#define RSort(a) sort(a.rbegin(), a.rend())

typedef long long int ll;
typedef unsigned long long ul;
typedef long double ld;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef vector<char> vc;
typedef vector<string> vst;
typedef vector<double> vd;
typedef vector<long double> vld;
typedef pair<long long, long long> P;

template<class T> long long sum(const T& a){ return accumulate(a.begin(), a.end(), 0LL); }
template<class T> auto min(const T& a){ return *min_element(a.begin(), a.end()); }
template<class T> auto max(const T& a){ return *max_element(a.begin(), a.end()); }

const long long MINF = 0x7fffffffffff;
const long long INF = 0x1fffffffffffffff;
const long long MOD = 998244353;
const long double EPS = 1e-9;
const long double PI = acos(-1);
 
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << "(" << p.first << ", " << p.second << ")"; return os; }
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for(T &in : v) is >> in; 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 != (int) v.size() ? " " : ""); } return os; }
template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp){ for(auto &[key, val] : mp){ os << key << ":" << val << " "; } return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, queue<T> q){ while(q.size()){ os << q.front() << " "; q.pop(); } return os; }
template <typename T> ostream &operator<<(ostream &os, deque<T> q){ while(q.size()){ os << q.front() << " "; q.pop_front(); } return os; }
template <typename T> ostream &operator<<(ostream &os, stack<T> st){ while(st.size()){ os << st.top() << " "; st.pop(); } return os; }
template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq){ while(pq.size()){ os << pq.top() << " "; pq.pop(); } return os; }

template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; }
template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; }
template<class... T> void in(T&... a){ (cin >> ... >> a); }
void out(){ cout << '\n'; }
template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }
template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; ++i){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } }

template <typename T>
vector<long long> dijkstra(const vector<vector<array<long long, 2>>> &G, T x){
    const long long INF = 0x1fffffffffffffff;
    vector<long long> cost((int) G.size(), INF);
    using P = pair<long long, long long>;
    priority_queue<P, vector<P>, greater<>> q;
    cost[x] = 0;
    q.emplace(0, x);
    
    while(q.size()){
        auto [c, at] = q.top();
        q.pop();
        if(c > cost[at]) continue;
        for(auto& [to, t] : G[at]){
            if(cost[to] > c + t){
                cost[to] = c + t;
                q.emplace(cost[to], to);
            }
        }
    }
    return cost;
}

ll n, k, m, p;
vector<vector<array<ll, 2>>> G;
vll u, v, s, x;

void input(){
    in(n, k, m, p);
    u.resize(m), v.resize(m);
    rep(i, m) in(u[i], v[i]);
    vin(s, n);
    vin(x, k);
}

void solve(){
    G.resize(n + 1);
    rep(i, m){
        u[i]--, v[i]--;
        G[u[i]].push_back({v[i], s[u[i]]});
        G[v[i]].push_back({u[i], s[v[i]]});
    }
    rep(i, k){
        x[i]--;
        G[n].push_back({x[i], 0});
    }


    vll check(n + 1, INF);
    vll cost(n + 1, INF);
    using T = tuple<ll, ll, ll>;
    priority_queue<T, vector<T>, greater<>> q;
    q.emplace(0, n, n);
    
    while(q.size()){
        auto [c, from, at] = q.top();
        q.pop();
        if(check[from] < c) continue;
        if(c >= cost[at]){
            if(c < cost[at] + p && at < n){
                chmin(check[at], c);
            }
            continue;
        }
        cost[at] = c;
        // out(c, from, at);
        for(auto& [to, t] : G[at]){
            q.emplace(c + t, at, to);
        }
    }
    ll ans = 0;
    rep(i, n) if(check[i] != INF) ans++;
    out(ans);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(20);
    
    input();
    solve();
}
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