結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | ganariya |
提出日時 | 2020-05-29 21:49:08 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 8,150 bytes |
コンパイル時間 | 1,877 ms |
コンパイル使用メモリ | 162,728 KB |
実行使用メモリ | 25,004 KB |
最終ジャッジ日時 | 2024-11-06 03:44:51 |
合計ジャッジ時間 | 10,026 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
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testcase_00 | WA | - |
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ソースコード
//include //------------------------------------------ #include <vector> #include <list> #include <map> #include <unordered_map> #include <climits> #include <set> #include <unordered_set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <cstdio> #include <cmath> #include <cstdlib> #include <cctype> #include <string> #include <cstring> #include <ctime> #include <queue> #include <random> #include <chrono> #include <complex> #include <regex> #include <locale> #include <random> #include <cassert> #include <type_traits> using namespace std; // typedef //------------------------------------------ typedef long long LL; typedef vector<int> VI; typedef vector<bool> VB; typedef vector<char> VC; typedef vector<double> VD; typedef vector<string> VS; typedef vector<LL> VLL; typedef vector<VI> VVI; typedef vector<VB> VVB; typedef vector<VS> VVS; typedef vector<VLL> VVLL; typedef vector<VVI> VVVI; typedef vector<VVLL> VVVLL; typedef pair<int, int> PII; typedef pair<LL, LL> PLL; typedef pair<int, string> PIS; typedef pair<string, int> PSI; typedef pair<string, string> PSS; typedef vector<PII> VPII; typedef vector<PLL> VPLL; typedef vector<VPII> VVPII; typedef vector<VPLL> VVPLL; typedef vector<VS> VVS; typedef map<int, int> MII; typedef map<LL, LL> MLL; typedef map<string, int> MSI; typedef map<int, string> MIS; // container util //------------------------------------------ #define ALL(a) (a).begin(),(a).end() #define SZ(a) int((a).size()) #define EACH(i, arr) for(typeof((arr).begin()) i=(arr).begin(); i!=(arr).end(); ++i) #define EXIST(str, e) ((str).find(e)!=(str).end()) #define COUNT(arr, v) count((arr).begin(), (arr).end(), v) #define SEARCH(v, w) search((v).begin(), (v).end(), (w).begin(), (w).end()) #define SORT(c) sort((c).begin(),(c).end()) #define RSORT(c) sort((c).rbegin(),(c).rend()) #define REVERSE(c) reverse((c).begin(), (c).end()) #define ROTATE_LEFT(arr, c) rotate((arr).begin(), (arr).begin()+(c), (arr).end()) #define ROTATE_RIGHT(arr, c) rotate((arr).rbegin(), (arr).rbegin() + (c), (arr).rend()) #define SUMI(arr) accumulate((arr).begin(), (arr).end(), 0) #define SUMD(arr) accumulate((arr).begin(), (arr).end(), 0.) #define SUMLL(arr) accumulate((arr).begin(), (arr).end(), 0LL) #define MULD(arr) accumulate((arr).begin(), (arr).end(), 1., multiplies<double>()) #define UB(arr, n) upper_bound((arr).begin(), (arr).end(), n) #define LB(arr, n) lower_bound((arr).begin(), (arr).end(), n) #define PB push_back #define MP make_pair #define ft first #define sd second // input output //------------------------------------------ #define GL(s) getline(cin, (s)) #define INIT() std::ios::sync_with_stdio(false);std::cin.tie(0) #define OUT(d) std::cout<<(d) #define OUT_L(d) std::cout<<(d)<<endl #define FOUT(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data) #define FOUT_L(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)<<"\n" #define EL() printf("\n") #define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";} #define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}} #define Yes() printf("Yes\n") #define No() printf("No\n") #define YES() printf("YES\n") #define NO() printf("NO\n") #define Yay() printf("Yay!\n") #define Nnn() printf(":(\n") #define CE(x, y) ((x + y - 1) / (y)) template<typename T1, typename T2> istream &operator>>(istream &in, pair<T1, T2> &p) { in >> p.first >> p.second; return in; } template<typename T> istream &operator>>(istream &in, vector<T> &v) { for (auto &x: v) in >> x; return in; } template<typename T1, typename T2> ostream &operator<<(ostream &out, const std::pair<T1, T2> &p) { out << "[" << p.first << ", " << p.second << "]" << "\n"; return out; } template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { if (a > b) { a = b; return true; } return false; } template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { if (a < b) { a = b; return true; } return false; } //repetition //------------------------------------------ #define FOR(i, a, b) for(int i=(a);i<(b);++i) #define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i) #define REP(i, n) FOR(i,0,n) #define RREP(i, n) for(int i = n-1;i >= 0;i--) #define FORLL(i, a, b) for(LL i=LL(a);i<LL(b);++i) #define RFORLL(i, a, b) for(LL i=LL(b)-1;i>=LL(a);--i) #define REPLL(i, n) for(LL i=0;i<LL(n);++i) #define RREPLL(i, n) for(LL i=LL(n)-1;i>=0;--i) #define FOREACH(x, arr) for(auto &(x) : (arr)) // Option + Control + K Terminal // Command + Control + K Run // Command + b EOF //------------------------------------------ //------------------------------------------ template<class T> struct Edge { int from, to; T cost; Edge(int from, int to, T cost) : from(from), to(to), cost(cost) {} explicit operator int() const { return to; } }; template<class T> using Edges = vector<Edge<T>>; template<class T> using WeightedGraph = vector<Edges<T>>; using UnWeightedGraph = vector<vector<int>>; template<class T> using DistMatrix = vector<vector<T>>; struct GraphAdapter { template<class T> static UnWeightedGraph to_unweighted_graph(const WeightedGraph<T> &origin) { int V = origin.size(); UnWeightedGraph graph(V); for (int i = 0; i < V; i++) for (auto &e: origin[i]) graph[i].push_back((int) e); return graph; } static WeightedGraph<int> to_weighted_graph(const UnWeightedGraph &origin) { int V = origin.size(); WeightedGraph<int> graph(V); for (int i = 0; i < V; i++) for (auto to: origin[i]) graph[i].push_back({i, to, 1}); return graph; } template<class T> static DistMatrix<T> to_dist_matrix(const WeightedGraph<T> &origin, T INF) { int V = origin.size(); DistMatrix<T> matrix(V, vector<T>(V, INF)); for (int i = 0; i < V; i++) for (auto &e:origin[i]) matrix[i][e.to] = e.cost; for (int i = 0; i < V; i++) matrix[i][i] = 0; return matrix; } }; double two_dist(double x1, double y1, double x2, double y2) { double dx = x1 - x2; double dy = y1 - y2; return sqrt(dx * dx + dy * dy); } template<typename T> class Dijkstra { using Pr = pair<T, int>; private: int V; const WeightedGraph<T> &graph; const T INF = numeric_limits<T>::max(); vector<T> dist; vector<int> prev; public: Dijkstra(const WeightedGraph<T> &graph, int s) : graph(graph) { V = graph.size(); dijkstra(s); } void dijkstra(int s) { priority_queue<Pr, vector<Pr>, greater<>> Q; dist = vector<T>(V, INF); prev = vector<int>(V, -1); Q.push(make_pair(0, s)); dist[s] = 0; while (!Q.empty()) { auto p = Q.top(); Q.pop(); T now = p.first; int v = p.second; if (dist[v] < now)continue; for (auto e: graph[v]) { int to = e.to; T cost = e.cost; if (dist[to] > dist[v] + cost) { dist[to] = dist[v] + cost; prev[to] = v; Q.push(make_pair(dist[to], to)); } } } } vector<T> get_dist() const { return dist; } vector<int> get_prev() const { return prev; } }; int main() { int N, M; cin >> N >> M; int X, Y; cin >> X >> Y, X--, Y--; vector<double> p(N), q(N); REP(i, N) cin >> p[i] >> q[i]; WeightedGraph<double> G(N); for (int i = 0; i < M; i++) { int a, b; cin >> a >> b; a--, b--; double d = two_dist(p[a], q[a], p[b], q[b]); G[a].push_back({a, b, d}); G[b].push_back({b, a, d}); } auto dijkstra = Dijkstra<double>(G, X); FOUT_L(20, dijkstra.get_dist()[Y]) << endl; }