結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | haruki_K |
提出日時 | 2020-05-30 02:15:50 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 302 ms / 2,000 ms |
コード長 | 5,038 bytes |
コンパイル時間 | 1,901 ms |
コンパイル使用メモリ | 179,684 KB |
実行使用メモリ | 38,348 KB |
最終ジャッジ日時 | 2024-11-06 16:28:54 |
合計ジャッジ時間 | 9,867 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 2 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 142 ms
19,072 KB |
testcase_03 | AC | 181 ms
37,016 KB |
testcase_04 | AC | 188 ms
38,348 KB |
testcase_05 | AC | 134 ms
36,524 KB |
testcase_06 | AC | 133 ms
35,928 KB |
testcase_07 | AC | 43 ms
11,264 KB |
testcase_08 | AC | 157 ms
32,576 KB |
testcase_09 | AC | 16 ms
6,816 KB |
testcase_10 | AC | 71 ms
16,384 KB |
testcase_11 | AC | 49 ms
12,544 KB |
testcase_12 | AC | 29 ms
10,752 KB |
testcase_13 | AC | 144 ms
22,552 KB |
testcase_14 | AC | 173 ms
26,952 KB |
testcase_15 | AC | 210 ms
29,924 KB |
testcase_16 | AC | 90 ms
17,808 KB |
testcase_17 | AC | 242 ms
32,832 KB |
testcase_18 | AC | 62 ms
14,040 KB |
testcase_19 | AC | 214 ms
30,556 KB |
testcase_20 | AC | 51 ms
10,656 KB |
testcase_21 | AC | 69 ms
16,984 KB |
testcase_22 | AC | 189 ms
27,788 KB |
testcase_23 | AC | 3 ms
6,816 KB |
testcase_24 | AC | 3 ms
6,820 KB |
testcase_25 | AC | 27 ms
10,496 KB |
testcase_26 | AC | 108 ms
19,048 KB |
testcase_27 | AC | 105 ms
18,848 KB |
testcase_28 | AC | 199 ms
29,432 KB |
testcase_29 | AC | 18 ms
8,064 KB |
testcase_30 | AC | 210 ms
33,024 KB |
testcase_31 | AC | 147 ms
26,332 KB |
testcase_32 | AC | 87 ms
16,724 KB |
testcase_33 | AC | 212 ms
34,208 KB |
testcase_34 | AC | 64 ms
13,908 KB |
testcase_35 | AC | 219 ms
33,372 KB |
testcase_36 | AC | 3 ms
6,820 KB |
testcase_37 | AC | 4 ms
6,820 KB |
testcase_38 | AC | 3 ms
6,820 KB |
testcase_39 | AC | 4 ms
6,820 KB |
testcase_40 | AC | 2 ms
6,816 KB |
testcase_41 | AC | 302 ms
34,012 KB |
testcase_42 | AC | 80 ms
13,056 KB |
testcase_43 | AC | 149 ms
19,692 KB |
testcase_44 | AC | 47 ms
9,600 KB |
testcase_45 | AC | 143 ms
19,328 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 2 ms
6,820 KB |
ソースコード
// >>> TEMPLATES #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using i32 = int32_t; using i64 = int64_t; #define int ll #define double ld #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define rep1(i,n) for (int i = 1; i <= (int)(n); i++) #define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--) #define rep1R(i,n) for (int i = (int)(n); i >= 1; i--) #define loop(i,a,B) for (int i = a; i B; i++) #define loopR(i,a,B) for (int i = a; i B; i--) #define all(x) (x).begin(), (x).end() #define allR(x) (x).rbegin(), (x).rend() #define pb push_back #define eb emplace_back #define mp make_pair #define fst first #define snd second auto constexpr INF32 = numeric_limits<int32_t>::max()/2-1; auto constexpr INF64 = numeric_limits<int64_t>::max()/2-1; auto constexpr INF = numeric_limits<int>::max()/2-1; #ifdef LOCAL #include "debug.hpp" #define dump(...) cerr << "[" << setw(3) << __LINE__ << ":" << __FUNCTION__ << "] ", dump_impl(#__VA_ARGS__, __VA_ARGS__) #define say(x) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] " << x << endl #define debug if (1) #else #define dump(...) (void)(0) #define say(x) (void)(0) #define debug if (0) #endif template <class T> using pque_max = priority_queue<T>; template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >; template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; } template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; } template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup; template <class F> struct FixPoint : private F { constexpr FixPoint(F&& f) : F(forward<F>(f)) {} template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); } }; struct MakeFixPoint { template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); } }; #define MFP MakeFixPoint()| #define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__) template <class T, size_t d> struct vec_impl { using type = vector<typename vec_impl<T,d-1>::type>; template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); } }; template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } }; template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type; template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); } template <class T> void quit(T const& x) { cout << x << endl; exit(0); } template <class T, class U> constexpr bool chmin(T& x, U const& y) { if (x > y) { x = y; return true; } return false; } template <class T, class U> constexpr bool chmax(T& x, U const& y) { if (x < y) { x = y; return true; } return false; } template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); } template <class T> int sz(T const& x) { return x.size(); } template <class C, class T> int lbd(C const& v, T const& x) { return lower_bound(v.begin(), v.end(), x)-v.begin(); } template <class C, class T> int ubd(C const& v, T const& x) { return upper_bound(v.begin(), v.end(), x)-v.begin(); } template <class C, class F> int ppt(C const& v, F f) { return partition_point(v.begin(), v.end(), f)-v.begin(); } // <<< template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >; struct edge { int to; double cost; }; int dst(edge const& e) { return e.to; } auto cost(edge const& e) { return e.cost; } // >>> dijkstra vector<double> dijkstra(vector<vector<edge> > const& g, int s) { vector<double> d(g.size(),-1); pque_min<pair<double,int> > q; d[s] = 0; q.emplace(0,s); while (!q.empty()) { auto p = q.top(); q.pop(); const int x = p.snd; if (d[x] < p.fst) continue; for (edge const& e : g[x]) { const int y = dst(e); if (d[y] < 0 || d[y] > d[x] + cost(e)) { d[y] = d[x] + cost(e); q.emplace(d[y], y); } } } return d; } // <<< int32_t main() { int n,m; cin >> n >> m; int S,T; cin >> S >> T; --S,--T; vector<vector<edge>> g(n); vector<double> x(n),y(n); rep (i,n) cin >> x[i] >> y[i]; rep (i,m) { int P,Q; cin >> P >> Q; --P,--Q; double cost = hypot(x[P]-x[Q],y[P]-y[Q]); g[P].pb({Q,cost}); g[Q].pb({P,cost}); } auto d = dijkstra(g,S); cout << d[T] << endl; }