結果
問題 | No.2604 Initial Motion |
ユーザー |
|
提出日時 | 2024-01-12 22:14:22 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,004 bytes |
コンパイル時間 | 4,930 ms |
コンパイル使用メモリ | 277,536 KB |
最終ジャッジ日時 | 2025-02-18 18:27:48 |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 10 TLE * 1 -- * 28 |
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 vector<vector<int>> Graph;typedef pair<int, int> pii;typedef pair<ll, ll> pll;#define FOR(i,l,r) for (int i = l;i < (int)(r); i++)#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))#endifint main(){cin.tie(0);ios_base::sync_with_stdio(false);int K, N, M; cin >> K >> N >> M;vector<int> A(K);rep(i,K) cin >> A[i];vector<int> B(N);rep(i,N) cin >> B[i];using Edge = pair<ll, int>;vector<vector<Edge>> g(N);rep(i,M){int U, V; cin >> U >> V;ll D; cin >> D;g[U - 1].push_back(Edge{D, V - 1});g[V - 1].push_back(Edge{D, U - 1});}auto dijkstra = [&](int st){vector<ll> dist(N,LINF);dist[st] = 0ll;priority_queue<Edge,vector<Edge>,greater<Edge>> pq;pq.push(make_pair(dist[st], st));while(!pq.empty()){int now;ll time;tie(time, now) = pq.top(); pq.pop();if(dist[now] != time)continue;for(auto [cost, nxt] : g[now]){if(time + cost < dist[nxt]){dist[nxt] = time + cost;pq.push(make_pair(dist[nxt], nxt));}}}return dist;};vector<vector<ll>> dist(N);rep(i,N)dist[i] = dijkstra(i);int st = K + N, en = K + N + 1;mcf_graph<int,ll> mg(K + N + 2);rep(i,K) mg.add_edge(st, i, 1, 0ll);rep(j,N) mg.add_edge(j + K, en, B[j], 0ll);rep(i,K)rep(j,N) mg.add_edge(i, j + K, 1, dist[A[i] - 1][j]);auto res = mg.flow(st, en, K);cout << res.second << endl;}