結果
問題 | No.1599 Hikyaku |
ユーザー | ecottea |
提出日時 | 2023-10-29 13:37:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,387 ms / 7,500 ms |
コード長 | 7,923 bytes |
コンパイル時間 | 4,887 ms |
コンパイル使用メモリ | 285,944 KB |
実行使用メモリ | 160,748 KB |
最終ジャッジ日時 | 2024-09-25 16:41:58 |
合計ジャッジ時間 | 39,482 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 1,373 ms
158,380 KB |
testcase_01 | AC | 1,364 ms
160,748 KB |
testcase_02 | AC | 1,345 ms
159,824 KB |
testcase_03 | AC | 521 ms
84,792 KB |
testcase_04 | AC | 226 ms
60,928 KB |
testcase_05 | AC | 231 ms
60,672 KB |
testcase_06 | AC | 262 ms
60,928 KB |
testcase_07 | AC | 274 ms
60,928 KB |
testcase_08 | AC | 276 ms
60,928 KB |
testcase_09 | AC | 236 ms
60,032 KB |
testcase_10 | AC | 217 ms
60,032 KB |
testcase_11 | AC | 220 ms
60,032 KB |
testcase_12 | AC | 440 ms
72,528 KB |
testcase_13 | AC | 290 ms
66,336 KB |
testcase_14 | AC | 169 ms
60,288 KB |
testcase_15 | AC | 1,303 ms
159,128 KB |
testcase_16 | AC | 720 ms
109,284 KB |
testcase_17 | AC | 219 ms
61,056 KB |
testcase_18 | AC | 230 ms
61,056 KB |
testcase_19 | AC | 373 ms
68,108 KB |
testcase_20 | AC | 372 ms
66,956 KB |
testcase_21 | AC | 344 ms
66,568 KB |
testcase_22 | AC | 338 ms
66,184 KB |
testcase_23 | AC | 330 ms
67,808 KB |
testcase_24 | AC | 326 ms
66,988 KB |
testcase_25 | AC | 297 ms
66,088 KB |
testcase_26 | AC | 472 ms
73,016 KB |
testcase_27 | AC | 790 ms
109,804 KB |
testcase_28 | AC | 855 ms
110,164 KB |
testcase_29 | AC | 887 ms
110,616 KB |
testcase_30 | AC | 922 ms
110,196 KB |
testcase_31 | AC | 1,387 ms
158,908 KB |
testcase_32 | AC | 1,355 ms
159,648 KB |
testcase_33 | AC | 1,342 ms
158,796 KB |
testcase_34 | AC | 223 ms
60,956 KB |
testcase_35 | AC | 600 ms
84,764 KB |
testcase_36 | AC | 234 ms
61,472 KB |
testcase_37 | AC | 268 ms
61,604 KB |
testcase_38 | AC | 266 ms
61,648 KB |
testcase_39 | AC | 277 ms
62,108 KB |
testcase_40 | AC | 283 ms
62,640 KB |
testcase_41 | AC | 145 ms
59,904 KB |
testcase_42 | AC | 1,355 ms
158,864 KB |
testcase_43 | AC | 149 ms
60,160 KB |
testcase_44 | AC | 911 ms
109,776 KB |
testcase_45 | AC | 903 ms
109,416 KB |
testcase_46 | AC | 503 ms
85,476 KB |
testcase_47 | AC | 508 ms
85,064 KB |
testcase_48 | AC | 198 ms
60,032 KB |
testcase_49 | AC | 1,355 ms
158,864 KB |
testcase_50 | AC | 1,117 ms
110,556 KB |
testcase_51 | AC | 891 ms
109,788 KB |
testcase_52 | AC | 248 ms
60,960 KB |
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/functional:54, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:71, from main.cpp:7: In constructor 'constexpr std::_Head_base<_Idx, _Head, false>::_Head_base(_UHead&&) [with _UHead = int&; long unsigned int _Idx = 3; _Head = int]', inlined from 'constexpr std::_Tuple_impl<_Idx, _Head>::_Tuple_impl(_UHead&&) [with _UHead = int&; long unsigned int _Idx = 3; _Head = int]' at /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:441:38, inlined from 'constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(_UHead&&, _UTail&& ...) [with _UHead = int&; _UTail = {int&}; <template-parameter-2-3> = void; long unsigned int _Idx = 2; _Head = int; _Tail = {int}]' at /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:292:38, inlined from 'constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(_UHead&&, _UTail&& ...) [with _UHead = int&; _UTail = {int&, int&}; <template-parameter-2-3> = void; long unsigned int _Idx = 1; _Head = int; _Tail = {int, int}]' at /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:292:38, inlined from 'constexpr std::_Tuple_impl<_Idx, _Head, _Tail ...>::_Tuple_impl(_UHead&&, _UTail&& ...) [with _UHead = int; _UTail = {int&, int&, int&}; <template-parameter-2-3> = void; long unsigned int _Idx = 0; _Head = double; _Tail = {int, int, int}]' at /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:292:38, inlined from 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UElements&& ...) [with _UElements = {int, int&, int&, int&}; bool _Valid = true; typename std::enable_if<_TCC<_Valid>::__is_implicitly_constructible<_UElements ...>(), bool>::type <anonymous> = true; _Elements = {double, int, int, int}]' at /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/tuple:744:54,
ソースコード
#ifndef HIDDEN_IN_VS // 折りたたみ用 // 警告の抑制 #define _CRT_SECURE_NO_WARNINGS // ライブラリの読み込み #include <bits/stdc++.h> using namespace std; // 型名の短縮 using ll = long long; // -2^63 ~ 2^63 = 9 * 10^18(int は -2^31 ~ 2^31 = 2 * 10^9) using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>; using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>; using Graph = vvi; // 定数の定義 const double PI = acos(-1); const vi DX = { 1, 0, -1, 0 }; // 4 近傍(下,右,上,左) const vi DY = { 0, 1, 0, -1 }; int INF = 1001001001; ll INFL = 4004004003104004004LL; // (int)INFL = 1010931620; // 入出力高速化 struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp; // 汎用マクロの定義 #define all(a) (a).begin(), (a).end() #define sz(x) ((int)(x).size()) #define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x)) #define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x)) #define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");} #define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 から n-1 まで昇順 #define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s から t まで昇順 #define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s から t まで降順 #define repe(v, a) for(const auto& v : (a)) // a の全要素(変更不可能) #define repea(v, a) for(auto& v : (a)) // a の全要素(変更可能) #define repb(set, d) for(int set = 0; set < (1 << int(d)); ++set) // d ビット全探索(昇順) #define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a の順列全て(昇順) #define smod(n, m) ((((n) % (m)) + (m)) % (m)) // 非負mod #define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} // 重複除去 #define EXIT(a) {cout << (a) << endl; exit(0);} // 強制終了 #define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) // 半開矩形内判定 // 汎用関数の定義 template <class T> inline ll pow(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; } template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // 最大値を更新(更新されたら true を返す) template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // 最小値を更新(更新されたら true を返す) template <class T> inline T get(T set, int i) { return (set >> i) & T(1); } // 演算子オーバーロード template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; } template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; } template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; } #endif // 折りたたみ用 #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #ifdef _MSC_VER #include "localACL.hpp" #endif //using mint = modint1000000007; using mint = modint998244353; //using mint = modint; // mint::set_mod(m); namespace atcoder { inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; } inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; } } using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; #endif #ifdef _MSC_VER // 手元環境(Visual Studio) #include "local.hpp" #else // 提出用(gcc) inline int popcount(int n) { return __builtin_popcount(n); } inline int popcount(ll n) { return __builtin_popcountll(n); } inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; } inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; } inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; } inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; } #define dump(...) #define dumpel(v) #define dump_list(v) #define dump_mat(v) #define input_from_file(f) #define output_to_file(f) #define Assert(b) { if (!(b)) while (1) cout << "OLE"; } #endif //【迷路(複数始点)】O(h w)(の改変) /* * 壁が wall で表された h×w の迷路 c について,スタートの集合 s[i] = (sx, sy) から * 各マス c[i][j] への最短経路長の最小値を dist[i][j] に格納する.(到達不能なら -1) * *(格子上の幅優先探索) */ vvd solve_maze(int n, const vector<pii>& s, int spd) { int h = n, w = n; vvd dist(h, vd(w, (double)INFL)); // q : 未探索のマスを記録しておくキュー queue<pii> q; repe(p, s) { q.push(p); dist[p.first][p.second] = 0; } while (!q.empty()) { int x, y; tie(x, y) = q.front(); q.pop(); // マス (x, y) の 4 近傍を調べる. rep(k, 4) { // (nx, ny) : (x, y) の近傍の座標 int nx = x + DX[k]; int ny = y + DY[k]; // 範囲外または壁マスなら何もしない. if (nx < 0 || nx >= h || ny < 0 || ny >= w) { continue; } // 既に最短経路長が確定済みなら何もしない. if (dist[nx][ny] != INFL) { continue; } // 最短経路長の確定 dist[nx][ny] = dist[x][y] + 1000. / spd; q.push({ nx, ny }); } } return dist; } int main() { input_from_file("input.txt"); // output_to_file("output.txt"); int n = 600; dump(n = 7); double L = 1000.; int V = 7; int tx, ty, K; cin >> tx >> ty >> K; tx--; ty--; int sx, sy, sv; vector<vector<pii>> v_to_xy(V + 1); rep(k, K) { int x, y, v; cin >> x >> y >> v; x--; y--; if (k == 0) { sx = x; sy = y; sv = v; } v_to_xy[v].push_back({ x, y }); } vvvd dist2(V + 1); repi(v, 1, V) dist2[v] = solve_maze(n, v_to_xy[v], v); vvvd dist(n, vvd(n, vd(V + 1, (double)INFL))); dist[sx][sy][sv] = 0; priority_queue_rev<tuple<double, int, int, int>> q; q.push({ 0, sx, sy, sv }); double EPS = 1e-12; while (!q.empty()) { dump(q.top()); auto [c, x, y, v] = q.top(); q.pop(); if (dist[x][y][v] < c) continue; // (x, y) で待機 repi(nv, v + 1, V) { if (dist2[nv][x][y] > c - EPS) { dist[x][y][nv] = dist2[nv][x][y]; q.push({ dist[x][y][nv], x, y, nv }); } } rep(hoge, 4) { int nx = x + DX[hoge]; int ny = y + DY[hoge]; if (!inQ(nx, ny, 0, 0, n, n)) continue; double nc = c; int nv = v; double pos = 0; repi(v2, v + 1, V) { if (nc + (L - pos) / nv > dist2[v2][nx][ny] - EPS) { double pos2 = L; if (nc > dist2[v2][nx][ny]) { pos2 = max(pos2 - (nc - dist2[v2][nx][ny]) * v2, 0.); } if (nc < dist2[v2][nx][ny]) { pos = min(pos + (dist2[v2][nx][ny] - nc) * nv, L); nc = dist2[v2][nx][ny]; } double dc = (pos2 - pos) / (nv + v2); nc += dc; pos += dc * nv; nv = v2; } } nc += (L - pos) / nv; if (chmin(dist[nx][ny][nv], nc)) q.push({nc, nx, ny, nv}); } } dump(dist[0][0][1]); dump(dist[1][0][1]); dump(dist[1][0][2]); dump(dist[2][0][2]); dump(dist[2][0][3]); dump(dist[4][3][2]); double res = (double)INFL; repi(v, 1, V) chmin(res, dist[tx][ty][v]); cout << res << endl; }