結果
問題 | No.2764 Warp Drive Spacecraft |
ユーザー | 👑 binap |
提出日時 | 2024-04-28 23:35:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,674 bytes |
コンパイル時間 | 5,434 ms |
コンパイル使用メモリ | 291,192 KB |
実行使用メモリ | 813,472 KB |
最終ジャッジ日時 | 2024-05-16 10:42:46 |
合計ジャッジ時間 | 9,656 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,948 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 7 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 11 ms
8,432 KB |
testcase_13 | AC | 12 ms
8,632 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | MLE | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> #define rep(i,n) for(int i=0;i<n;i++) using namespace std; using namespace atcoder; typedef long long ll; typedef vector<int> vi; typedef vector<long long> vl; typedef vector<vector<int>> vvi; typedef vector<vector<long long>> vvl; typedef long double ld; typedef pair<int, int> P; ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;} template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;} template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;} template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;} template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;} template<typename T> void chmin(T& a, T b){a = min(a, b);} template<typename T> void chmax(T& a, T b){a = max(a, b);} const long long INF = 2002002002002002002; using S = long long; S _INF(INF); S _ZERO(0LL); using F = long long; S apply(F f, S x){ return f + x; } template<typename S, typename F> struct Dijkstra{ struct Edge{ int from, to; F cost; Edge(int from, int to, F cost) : from(from), to(to), cost(cost) {}; }; int n, m; vector<bool> initialized; vector<Edge> E; vector<vector<int>> G; map<int, vector<S>> dist; map<int, vector<int>> idx; Dijkstra(int _n) : n(_n), m(0), initialized(n, false), G(n){} void add_edge(int from, int to, F cost){ Edge e(from, to, cost); E.push_back(e); G[from].emplace_back(m); m++; } void calc(int s){ initialized[s] = true; dist[s] = vector<S>(n, _INF); idx[s] = vector<int>(n, -1); priority_queue<tuple<S, int, int>, vector<tuple<S, int, int>>, greater<tuple<S, int, int>>> pq; pq.emplace(_ZERO, s, -1); while(pq.size()){ auto [dist_from, from, index] = pq.top(); pq.pop(); if(dist[s][from] <= dist_from) continue; dist[s][from] = dist_from; idx[s][from] = index; for(int index : G[from]){ int to = E[index].to; S dist_to = apply(E[index].cost, dist_from); if(dist[s][to] <= dist_to) continue; pq.emplace(dist_to, to, index); } } } S get_dist(int s, int t){ if(!initialized[s]) calc(s); return dist[s][t]; } }; int main(){ int n, m; cin >> n >> m; assert(1 <= n && n <= 200000); assert(0 <= m && m <= 200000); vector<long long> w(n); for(int i = 0; i < n; i++) cin >> w[i]; for(int i = 0; i < n; i++) assert(1 <= w[i] && w[i] <= 1000000000); set<pair<int, int>> set_for_assert; Dijkstra<long long, long long> graph(2 * n); for(int i = 0; i < m; i++){ int u, v; long long t; cin >> u >> v >> t; if(cin.fail()) assert(false); assert(1 <= u && u < v && v <= n); assert(1 <= t && t <= 1000000000000); if(set_for_assert.find(make_pair(u, v)) != set_for_assert.end()) assert(false); set_for_assert.insert(make_pair(u, v)); u--; v--; graph.add_edge(u, v, t); graph.add_edge(v, u, t); graph.add_edge(n + u, n + v, t); graph.add_edge(n + v, n + u, t); } for(int i = 0; i < n; i++) for(int j = 0; j < n; j++){ if(i == j) continue; graph.add_edge(i, n + j, w[i] * w[j]); } long long ans1 = graph.get_dist(0, n - 1); long long ans2 = graph.get_dist(0, 2 * n - 1); cout << min(ans1, ans2) << "\n"; return 0; }