結果
問題 | No.812 Change of Class |
ユーザー |
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提出日時 | 2019-04-12 22:50:13 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 699 ms / 4,000 ms |
コード長 | 3,836 bytes |
コンパイル時間 | 2,015 ms |
コンパイル使用メモリ | 186,424 KB |
実行使用メモリ | 20,328 KB |
最終ジャッジ日時 | 2024-06-12 19:44:01 |
合計ジャッジ時間 | 15,599 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 60 |
ソースコード
#include "bits/stdc++.h"using namespace std;#ifdef _DEBUG#define _GLIBCXX_DEBUG#include "dump.hpp"#else#define dump(...)#endif#define int long long#define ll long long#define DBG 1#define rep(i, a, b) for (int i = (a); i < (b); i++)#define rrep(i, a, b) for (int i = (b)-1; i >= (a); i--)#define loop(n) rep(loop, (0), (n))#define all(c) begin(c), end(c)const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;const int MOD = (int)(1e9) + 7;#define fi first#define se second#define pb push_back#define eb emplace_backusing pii = pair<int, int>;// template<class T> ostream &operator<<(ostream &os,T &t){dump(t);return os;}template <typename T, typename S>istream &operator>>(istream &is, pair<T, S> &p) { is >> p.first >> p.second; return is; }template <typename T, typename S>ostream &operator<<(ostream &os, pair<T, S> &p) { os << p.first << " " << p.second; return os; }template <typename T> void printvv(const vector<vector<T>> &v) {cerr << endl;rep(i, 0, v.size()) rep(j, 0, v[i].size()) {if (typeid(v[i][j]).name() == typeid(INF).name() and v[i][j] == INF) {cerr << "INF";}elsecerr << v[i][j];cerr << (j == v[i].size() - 1 ? '\n' : ' ');}cerr << endl;}#ifndef _DEBUG#define printvv(...)#endifvoid YES(bool f) { cout << (f ? "YES" : "NO") << endl; }void Yes(bool f) { cout << (f ? "Yes" : "No") << endl; }template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; }return false; }template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; }return false; }using Weight = int;using Flow = int;struct Edge {int s, d; Weight w; Flow c;Edge() {};Edge(int s, int d, Weight w = 1) : s(s), d(d), w(w), c(w) {};};bool operator<(const Edge &e1, const Edge &e2) { return e1.w < e2.w; }bool operator>(const Edge &e1, const Edge &e2) { return e2 < e1; }inline ostream &operator<<(ostream &os, const Edge &e) { return (os << '(' << e.s << ", " << e.d << ", " << e.w << ')'); }using Edges = vector<Edge>;using Graph = vector<Edges>;using Array = vector<Weight>;using Matrix = vector<Array>;void addArc(Graph &g, int s, int d, Weight w = 1) {g[s].emplace_back(s, d, w);}void addEdge(Graph &g, int a, int b, Weight w = 1) {addArc(g, a, b, w);addArc(g, b, a, w);}//単一始点最短経路(負閉路なし)//Dijkstra O((|E|+|V|)log|V|)//dist: 始点から各頂点までの最短距離//戻り値: 最短経路木の親頂点(根は-1)vector<int> dijkstra(const Graph &g, int s, Array &dist) {int n = g.size();assert(s < n);enum { WHITE, GRAY, BLACK };vector<int> color(n, WHITE); color[s] = GRAY;vector<int> prev(n, -1);dist.assign(n, INF); dist[s] = 0;using State = tuple<Weight, int, int>; //始点からの最短距離 子 親priority_queue<State, vector<State>, greater<State>> pq; pq.emplace(0, s, -1);while (pq.size()) {Weight d; int v, u; tie(d, v, u) = pq.top(); pq.pop();if (dist[v] < d)continue;color[v] = BLACK; prev[v] = u;for (auto &e : g[v]) {if (color[e.d] == BLACK)continue;if (dist[e.d] > dist[v] + e.w) {dist[e.d] = dist[v] + e.w;pq.emplace(dist[e.d], e.d, v);color[e.d] = GRAY;}}}return prev;}void solve(Graph &g, int s) {vector<int>dist;dijkstra(g, s, dist);vector<int>v;rep(i, 0, g.size()) {if (dist[i] != INF)v.eb(dist[i]);}int m = *max_element(all(v));int ans = 0;while (m > (1ll << ans))ans++;cout << v.size() - 1 << " " << ans << endl;}signed main(signed argc, char *argv[]) {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(12);int N, M; cin >> N >> M;Graph g(N);loop(M) {int p, q; cin >> p >> q;p--, q--;addEdge(g, p, q);}int Q; cin >> Q;loop(Q) {int A; cin >> A;A--;solve(g, A);}return 0;}