結果
問題 | No.5006 Hidden Maze |
ユーザー | 👑 Nachia |
提出日時 | 2022-06-12 17:24:04 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 70 ms / 2,000 ms |
コード長 | 4,155 bytes |
コンパイル時間 | 1,190 ms |
実行使用メモリ | 22,704 KB |
スコア | 85,776 |
平均クエリ数 | 143.24 |
最終ジャッジ日時 | 2022-06-12 17:24:13 |
合計ジャッジ時間 | 8,031 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge12 |
純コード判定しない問題か言語 |
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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 | 22 ms
21,792 KB |
testcase_01 | AC | 23 ms
21,952 KB |
testcase_02 | AC | 18 ms
22,600 KB |
testcase_03 | AC | 22 ms
21,880 KB |
testcase_04 | AC | 20 ms
21,952 KB |
testcase_05 | AC | 39 ms
21,780 KB |
testcase_06 | AC | 24 ms
22,576 KB |
testcase_07 | AC | 28 ms
21,928 KB |
testcase_08 | AC | 20 ms
22,564 KB |
testcase_09 | AC | 22 ms
21,588 KB |
testcase_10 | AC | 27 ms
21,952 KB |
testcase_11 | AC | 18 ms
21,880 KB |
testcase_12 | AC | 21 ms
21,952 KB |
testcase_13 | AC | 19 ms
22,216 KB |
testcase_14 | AC | 23 ms
22,576 KB |
testcase_15 | AC | 22 ms
21,964 KB |
testcase_16 | AC | 20 ms
21,892 KB |
testcase_17 | AC | 20 ms
22,564 KB |
testcase_18 | AC | 29 ms
21,892 KB |
testcase_19 | AC | 22 ms
21,992 KB |
testcase_20 | AC | 19 ms
21,940 KB |
testcase_21 | AC | 18 ms
22,004 KB |
testcase_22 | AC | 18 ms
21,980 KB |
testcase_23 | AC | 23 ms
22,276 KB |
testcase_24 | AC | 25 ms
22,600 KB |
testcase_25 | AC | 25 ms
22,276 KB |
testcase_26 | AC | 37 ms
21,904 KB |
testcase_27 | AC | 32 ms
21,992 KB |
testcase_28 | AC | 20 ms
21,952 KB |
testcase_29 | AC | 70 ms
22,456 KB |
testcase_30 | AC | 20 ms
22,612 KB |
testcase_31 | AC | 22 ms
21,892 KB |
testcase_32 | AC | 26 ms
22,004 KB |
testcase_33 | AC | 22 ms
22,456 KB |
testcase_34 | AC | 19 ms
21,928 KB |
testcase_35 | AC | 23 ms
22,228 KB |
testcase_36 | AC | 25 ms
22,600 KB |
testcase_37 | AC | 34 ms
21,952 KB |
testcase_38 | AC | 22 ms
21,892 KB |
testcase_39 | AC | 26 ms
22,600 KB |
testcase_40 | AC | 21 ms
22,264 KB |
testcase_41 | AC | 21 ms
22,600 KB |
testcase_42 | AC | 18 ms
21,768 KB |
testcase_43 | AC | 22 ms
22,588 KB |
testcase_44 | AC | 17 ms
22,228 KB |
testcase_45 | AC | 21 ms
22,624 KB |
testcase_46 | AC | 38 ms
21,780 KB |
testcase_47 | AC | 20 ms
21,904 KB |
testcase_48 | AC | 30 ms
22,228 KB |
testcase_49 | AC | 70 ms
21,904 KB |
testcase_50 | AC | 21 ms
21,952 KB |
testcase_51 | AC | 22 ms
21,980 KB |
testcase_52 | AC | 21 ms
21,780 KB |
testcase_53 | AC | 28 ms
21,940 KB |
testcase_54 | AC | 20 ms
21,928 KB |
testcase_55 | AC | 21 ms
21,892 KB |
testcase_56 | AC | 19 ms
21,904 KB |
testcase_57 | AC | 30 ms
22,228 KB |
testcase_58 | AC | 22 ms
22,588 KB |
testcase_59 | AC | 19 ms
21,904 KB |
testcase_60 | AC | 19 ms
21,928 KB |
testcase_61 | AC | 21 ms
21,836 KB |
testcase_62 | AC | 22 ms
22,004 KB |
testcase_63 | AC | 21 ms
21,928 KB |
testcase_64 | AC | 28 ms
21,892 KB |
testcase_65 | AC | 21 ms
22,216 KB |
testcase_66 | AC | 19 ms
21,940 KB |
testcase_67 | AC | 25 ms
22,564 KB |
testcase_68 | AC | 25 ms
22,456 KB |
testcase_69 | AC | 31 ms
22,264 KB |
testcase_70 | AC | 18 ms
21,940 KB |
testcase_71 | AC | 20 ms
22,576 KB |
testcase_72 | AC | 18 ms
22,204 KB |
testcase_73 | AC | 20 ms
21,904 KB |
testcase_74 | AC | 18 ms
22,564 KB |
testcase_75 | AC | 69 ms
22,620 KB |
testcase_76 | AC | 18 ms
21,768 KB |
testcase_77 | AC | 37 ms
21,952 KB |
testcase_78 | AC | 27 ms
22,252 KB |
testcase_79 | AC | 47 ms
22,576 KB |
testcase_80 | AC | 19 ms
22,276 KB |
testcase_81 | AC | 20 ms
22,704 KB |
testcase_82 | AC | 19 ms
22,576 KB |
testcase_83 | AC | 19 ms
21,768 KB |
testcase_84 | AC | 21 ms
22,252 KB |
testcase_85 | AC | 23 ms
21,892 KB |
testcase_86 | AC | 17 ms
21,940 KB |
testcase_87 | AC | 19 ms
21,904 KB |
testcase_88 | AC | 23 ms
22,016 KB |
testcase_89 | AC | 67 ms
21,916 KB |
testcase_90 | AC | 22 ms
22,704 KB |
testcase_91 | AC | 19 ms
22,216 KB |
testcase_92 | AC | 20 ms
22,240 KB |
testcase_93 | AC | 22 ms
21,928 KB |
testcase_94 | AC | 19 ms
21,928 KB |
testcase_95 | AC | 19 ms
21,904 KB |
testcase_96 | AC | 19 ms
22,004 KB |
testcase_97 | AC | 44 ms
21,904 KB |
testcase_98 | AC | 31 ms
21,768 KB |
testcase_99 | AC | 23 ms
21,992 KB |
ソースコード
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <map> #include <queue> #include <cmath> #include <atcoder/modint> using namespace std; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define rep(i,n) for(int i=0; i<(int)(n); i++) const i64 INF = 1001001001001001001; using modint = atcoder::static_modint<1000000007>; const int H = 20; const int W = 20; const int dx[4] = { 0, 1, 0, -1 }; const int dy[4] = { 1, 0, -1, 0 }; const string DIRCHAR = "DRUL"; template<class E> using nega_queue = priority_queue<E, vector<E>, greater<E>>; int judgeInteraction(string S){ cout << S << '\n' << flush; int res; cin >> res; return res; } double p; double log_p; double HEdge[H-1][W]; double VEdge[H][W-1]; void initEdge(){ const double UNKNOWN = 0.05; rep(y,H-1) rep(x,W) HEdge[y][x] = UNKNOWN; rep(y,H) rep(x,W-1) VEdge[y][x] = UNKNOWN; } struct Pos { int y, x; Pos movedByDirection(int dir) const { Pos res; res.x = x + dx[dir]; res.y = y + dy[dir]; return res; } bool isInBoard() const { return 0 <= y && 0 <= x && y < H && x < W; } double& dirCostRef(int dir) const { if(!movedByDirection(dir).isInBoard()) exit(1); if(dir > 4) exit(1); switch(DIRCHAR[dir]){ case 'L' : return VEdge[y][x-1]; case 'R' : return VEdge[y][x]; case 'U' : return HEdge[y-1][x]; case 'D' : return HEdge[y][x]; } exit(1); } double dirCost(int dir) const { if(!movedByDirection(dir).isInBoard()) return 1.0e100; if(dir > 4) return 1.0e100; switch(DIRCHAR[dir]){ case 'L' : return VEdge[y][x-1]; case 'R' : return VEdge[y][x]; case 'U' : return HEdge[y-1][x]; case 'D' : return HEdge[y][x]; } return 1.0e100; } static Pos getGoal(){ return Pos{ H-1, W-1 }; } }; vector<int> dijkstra(int turnid = 0){ static double dist[H][W]; static int prevdir[H][W]; rep(y,H) rep(x,W) dist[y][x] = 1.0e100; rep(y,H) rep(x,W) prevdir[y][x] = -1; dist[0][0] = 0; struct DijkstraNode{ double d; Pos p; bool operator>(const DijkstraNode& r) const { return d > r.d; } }; const double cost_offset = -log(1.0 - p) * (max(0, 400 - turnid) / 300.0 + max(0, 800 - turnid) / 500.0); nega_queue<DijkstraNode> A; A.push({ 0.0, Pos{0, 0} }); while(A.size()){ auto [d,pos] = A.top(); A.pop(); if(dist[pos.y][pos.x] != d) continue; rep(dir,4){ Pos nx = pos.movedByDirection(dir); if(!nx.isInBoard()) continue; double nxd = pos.dirCost(dir) + d + cost_offset; if(dist[nx.y][nx.x] <= nxd) continue; dist[nx.y][nx.x] = nxd; prevdir[nx.y][nx.x] = dir; A.push({ nxd, nx }); } } Pos p = Pos::getGoal(); vector<int> res; while(prevdir[p.y][p.x] != -1){ res.push_back(prevdir[p.y][p.x]); p = p.movedByDirection(prevdir[p.y][p.x] ^ 2); } reverse(res.begin(), res.end()); return res; } int ask(vector<int> D){ string S; for(int d : D) S.push_back(DIRCHAR[d]); int res = judgeInteraction(S); if(res == -1) return -1; Pos p = { 0, 0 }; for(int i=0; i<res; i++){ int d = D[i]; p.dirCostRef(d) = 0.0; p = p.movedByDirection(d); p.dirCostRef(d^2) = 0.0; } if(p.dirCostRef(D[res]) != 0.0){ p.dirCostRef(D[res]) -= log_p; p = p.movedByDirection(D[res]); p.dirCostRef(D[res]^2) -= log_p; } return res; } void solve(int inH, int inW, int inP){ initEdge(); p = inP / 100.0; log_p = log(p); int t = 0; while(true){ if(ask(dijkstra(t)) == -1) return; t++; } } int main(){ initEdge(); int h, w, pp; cin >> h >> w >> pp; solve(20, 20, pp); return 0; } struct ios_do_not_sync{ ios_do_not_sync(){ std::ios::sync_with_stdio(false); std::cin.tie(nullptr); } } ios_do_not_sync_instance;