結果
問題 | No.2387 Yokan Factory |
ユーザー | pitP |
提出日時 | 2023-07-21 21:50:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 573 ms / 5,000 ms |
コード長 | 3,245 bytes |
コンパイル時間 | 4,265 ms |
コンパイル使用メモリ | 271,144 KB |
実行使用メモリ | 18,908 KB |
最終ジャッジ日時 | 2024-09-21 23:17:36 |
合計ジャッジ時間 | 9,466 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 3 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 | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 339 ms
18,908 KB |
testcase_16 | AC | 189 ms
17,892 KB |
testcase_17 | AC | 459 ms
18,584 KB |
testcase_18 | AC | 408 ms
17,852 KB |
testcase_19 | AC | 396 ms
12,916 KB |
testcase_20 | AC | 289 ms
11,248 KB |
testcase_21 | AC | 573 ms
16,760 KB |
testcase_22 | AC | 280 ms
10,876 KB |
testcase_23 | AC | 460 ms
13,084 KB |
testcase_24 | AC | 312 ms
11,860 KB |
testcase_25 | AC | 25 ms
6,784 KB |
testcase_26 | AC | 49 ms
9,856 KB |
testcase_27 | AC | 52 ms
10,880 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 5 ms
5,376 KB |
testcase_30 | AC | 5 ms
5,376 KB |
testcase_31 | AC | 4 ms
5,376 KB |
testcase_32 | AC | 3 ms
5,376 KB |
testcase_33 | AC | 3 ms
5,376 KB |
testcase_34 | AC | 5 ms
5,376 KB |
testcase_35 | AC | 3 ms
5,376 KB |
testcase_36 | AC | 3 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); } istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); } istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); } typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define rep(i,n) for (int i = 0;i < (int)(n); i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define my_sort(x) sort(x.begin(), x.end()) #define my_max(x) *max_element(all(x)) #define my_min(x) *min_element(all(x)) 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; } const int INF = (1<<30) - 1; const ll LINF = (1LL<<62) - 1; const int MOD = 998244353; const int MOD2 = 1e9+7; const double PI = acos(-1); vector<int> di = {1,0,-1,0}; vector<int> dj = {0,1,0,-1}; #ifdef LOCAL # include <debug_print.hpp> # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif struct Edge{ ll cost; int to; }; using Graph = vector<vector<Edge>>; vector<ll> dijkstra(int st, Graph &g){ int N = g.size(); vector<ll> dist(N,LINF); dist[st] = 0ll; using pli = pair<ll,int>; priority_queue<pli,vector<pli>,greater<pli>> pq; pq.emplace(pli{0ll,st}); while(!pq.empty()){ ll time = pq.top().first; int now = pq.top().second; pq.pop(); if (time > dist[now])continue; for(auto e:g[now]){ ll c = e.cost; int nxt = e.to; if (c + time < dist[nxt]){ dist[nxt] = c + time; pq.push(pli{c+time,nxt}); } } } return dist; } int main(){ cin.tie(0); ios_base::sync_with_stdio(false); int N,M; cin >> N >> M; ll X; cin >> X; vector<int> u(M), v(M); vector<ll> a(M), b(M); rep(i,M){ cin >> u[i] >> v[i] >> a[i] >> b[i]; u[i]--; v[i]--; } // 大きさ1 Graph g1(N); rep(i,M){ g1[u[i]].push_back(Edge{a[i], v[i]}); g1[v[i]].push_back(Edge{a[i], u[i]}); } auto dist1 = dijkstra(0, g1); if (dist1[N - 1] > X){ cout << -1 << endl; } else{ ll ok = 0, ng = 1LL<<30; while(abs(ok - ng) > 1){ ll mid = (ok + ng) / 2; Graph g(N); rep(i,M){ if (b[i] >= mid){ g[u[i]].push_back(Edge{a[i], v[i]}); g[v[i]].push_back(Edge{a[i], u[i]}); } } auto dist = dijkstra(0, g); debug(dist, mid, ok, ng); if (dist[N - 1] <= X) ok = mid; else ng = mid; } cout << ok << endl; } }