結果
問題 | No.2387 Yokan Factory |
ユーザー | kobaryo222 |
提出日時 | 2023-07-21 21:34:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 394 ms / 5,000 ms |
コード長 | 4,401 bytes |
コンパイル時間 | 2,241 ms |
コンパイル使用メモリ | 217,792 KB |
実行使用メモリ | 15,228 KB |
最終ジャッジ日時 | 2024-09-21 22:54:08 |
合計ジャッジ時間 | 6,529 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 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 | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 175 ms
15,228 KB |
testcase_16 | AC | 92 ms
13,952 KB |
testcase_17 | AC | 261 ms
13,956 KB |
testcase_18 | AC | 267 ms
14,132 KB |
testcase_19 | AC | 225 ms
10,600 KB |
testcase_20 | AC | 188 ms
10,092 KB |
testcase_21 | AC | 394 ms
13,288 KB |
testcase_22 | AC | 181 ms
9,444 KB |
testcase_23 | AC | 255 ms
10,592 KB |
testcase_24 | AC | 101 ms
9,676 KB |
testcase_25 | AC | 150 ms
7,740 KB |
testcase_26 | AC | 288 ms
11,728 KB |
testcase_27 | AC | 356 ms
12,800 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 4 ms
5,376 KB |
testcase_30 | AC | 3 ms
5,376 KB |
testcase_31 | AC | 3 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 4 ms
5,376 KB |
testcase_35 | AC | 3 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using pl = pair<ll, ll>; #define vl vector<ll> #define vvl vector<vector<ll>> #define vvvl vector<vector<vector<ll>>> #define vm vector<mint> #define vvm vector<vector<mint>> #define vvvm vector<vector<vector<mint>>> #define vp vector<pl> #define vvp vector<vector<pl>> #define vs vector<string> #define vvs vector<vector<string>> #define _overload3(_1, _2, _3, name, ...) name #define _rep(i, n) repi(i, 0, n) #define repi(i, a, b) for(ll i = ll(a); i < ll(b); ++i) #define rep(...) _overload3(__VA_ARGS__, repi, _rep, )(__VA_ARGS__) #define all(x) std::begin(x), std::end(x) #define make_unique(v) v.erase(unique(all(v)), v.end()); #define sum(...) accumulate(all(__VA_ARGS__), 0LL) #define inf (0x1fffffffffffffffLL) template <class T> istream &operator>>(istream &is, vector<T> &v) { for(auto &x : v) { is >> x; } return is; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { for(int i = 0; i < (int)v.size(); i++) { if(i != (int)v.size() - 1) os << v[i] << " "; else os << v[i]; } return os; } template <typename T, typename... Args> auto make_v(T x, int arg, Args... args) { if constexpr(sizeof...(args) == 0) return vector<T>(arg, x); else return vector(arg, make_v<T>(x, args...)); } 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> bool chmin(T &a, const T &b) { return a > b ? a = b, true : false; } template <class T> bool chmax(T &a, const T &b) { return a < b ? a = b, true : false; } struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template <typename T = int> struct Edge { int from, to; T cost, b; int idx; Edge() = default; Edge(int from, int to, T cost = 1, T b = 1, int idx = -1) : from(from) , to(to) , cost(cost) , b(b) , 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 resize(int n) { g.resize(n); } void add_edge(int from, int to, T cost = 1, T b = 1) { g[from].emplace_back(from, to, cost, b, es); g[to].emplace_back(to, from, cost, b, es++); } inline vector<Edge<T>>& operator[](const int& k) { return g[k]; } inline const vector<Edge<T>>& operator[](const int& k) const { return g[k]; } }; template <typename T = int> using Edges = vector<Edge<T>>; template <typename T> struct ShortestPath { vector<T> dist; vector<int> from, id; }; template <typename T> ShortestPath<T> dijkstra(const Graph<T> &g, int s, T w) { const auto INF = inf; vector<T> dist(g.size(), INF); vector<int> from(g.size(), -1), id(g.size(), -1); using Pi = pair<T, int>; priority_queue<Pi, vector<Pi>, greater<>> que; dist[s] = 0; que.emplace(dist[s], s); while(!que.empty()) { T cost; int idx; tie(cost, idx) = que.top(); que.pop(); if(dist[idx] < cost) continue; for(auto &e : g[idx]) { auto next_cost = cost + e.cost; if(e.b < w) continue; if(dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; from[e.to] = idx; id[e.to] = e.idx; que.emplace(dist[e.to], e.to); } } return {dist, from, id}; } int main() { ll N, M, X; cin >> N >> M >> X; Graph<ll> G(N); rep(i, M){ ll u, v, a, b; cin >> u >> v >> a >> b; --u, --v; G.add_edge(u, v, a, b); } ll ok = 0, ng = 1e9 + 10; auto check = [&](ll w) -> bool{ auto [dist, from, id] = dijkstra(G, 0, w); return dist[N - 1] <= X; }; while(abs(ok - ng) > 1){ ll mid = abs(ok + ng) / 2; if(check(mid)) ok = mid; else ng = mid; } if(ok == 0) cout << -1 << endl; else cout << ok << endl; }