結果
問題 | No.5006 Hidden Maze |
ユーザー | platinum |
提出日時 | 2023-04-25 15:04:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,324 bytes |
コンパイル時間 | 2,280 ms |
コンパイル使用メモリ | 206,968 KB |
実行使用メモリ | 24,408 KB |
スコア | 0 |
平均クエリ数 | 1.00 |
最終ジャッジ日時 | 2023-04-25 15:04:38 |
合計ジャッジ時間 | 23,982 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge14 |
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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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | RE | - |
testcase_61 | RE | - |
testcase_62 | RE | - |
testcase_63 | RE | - |
testcase_64 | RE | - |
testcase_65 | RE | - |
testcase_66 | RE | - |
testcase_67 | RE | - |
testcase_68 | RE | - |
testcase_69 | RE | - |
testcase_70 | RE | - |
testcase_71 | RE | - |
testcase_72 | RE | - |
testcase_73 | RE | - |
testcase_74 | RE | - |
testcase_75 | RE | - |
testcase_76 | RE | - |
testcase_77 | RE | - |
testcase_78 | RE | - |
testcase_79 | RE | - |
testcase_80 | RE | - |
testcase_81 | RE | - |
testcase_82 | RE | - |
testcase_83 | RE | - |
testcase_84 | RE | - |
testcase_85 | RE | - |
testcase_86 | RE | - |
testcase_87 | RE | - |
testcase_88 | RE | - |
testcase_89 | RE | - |
testcase_90 | RE | - |
testcase_91 | RE | - |
testcase_92 | RE | - |
testcase_93 | RE | - |
testcase_94 | RE | - |
testcase_95 | RE | - |
testcase_96 | RE | - |
testcase_97 | RE | - |
testcase_98 | RE | - |
testcase_99 | RE | - |
コンパイルメッセージ
main.cpp: 関数 ‘double update_all()’ 内: main.cpp:102:1: 警告: 非 void を戻す関数内に return 文がありません [-Wreturn-type] 102 | } | ^
ソースコード
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (int)(n); i++) using namespace std; using LL = long long; using P = pair<int,int>; using vv = vector<vector<int>>; const int INF = (int)1e9; const LL LINF = (LL)1e18; const double eps = 1e-5; const int min_p = 6; const int max_p = 15; int dy[4] = {-1, 1, 0, 0}; int dx[4] = {0, 0, -1, 1}; string dir = "UDLR"; double h[20][21], v[21][20]; int H, W, poss; double p; struct node{ int y, x; double d; node(int y, int x, double d) : y(y), x(x), d(d) {} bool operator> (const node &u) const{ return d > u.d; } }; string dijkstra(){ double dist[20][20]; rep(i,20){ rep(j,20) dist[i][j] = INF; } char par[20][20]; dist[0][0] = 0; priority_queue<node,vector<node>,greater<>> pq; pq.emplace(0, 0, 0); while(!pq.empty()){ node u = pq.top(); pq.pop(); if(dist[u.y][u.x] < u.d) continue; rep(k,4){ int ny = u.y + dy[k], nx = u.x + dx[k]; if(ny < 0 || ny >= 20) continue; if(nx < 0 || nx >= 20) continue; double e = 0; if(k == 0) e = 1.0 / (1.0 - v[u.y][u.x]); else if(k == 1) e = 1.0 / (1.0 - v[u.y+1][u.x]); else if(k == 2) e = 1.0 / (1.0 - h[u.y][u.x]); else e = 1.0 / (1.0 - h[u.y][u.x+1]); double nd = u.d + e; if(dist[ny][nx] <= nd) continue; pq.emplace(ny, nx, nd); dist[ny][nx] = nd; par[ny][nx] = dir[k]; } } int now_y = 19, now_x = 19; string res; while(now_y != 0 || now_x != 0){ char c = par[now_y][now_x]; res += c; if(c == 'U') now_y++; else if(c == 'D') now_y--; else if(c == 'L') now_x++; else now_x--; } reverse(res.begin(), res.end()); return res; } double update(double now_p){ if(now_p < eps) return now_p; double wall_p = now_p + (1.0 - now_p) * p; return now_p / wall_p; } double update_all(){ double tot = 0.0; rep(i,20){ rep(j,19){ tot += h[i][j+1]; } } rep(i,19){ rep(j,20){ tot += v[i+1][j]; } } tot /= 150.0; rep(i,20){ rep(j,19){ h[i][j+1] /= tot; } } rep(i,19){ rep(j,20){ v[i+1][j] /= tot; } } } int main(){ cin >> H >> W >> poss; assert(H == 20 && W == 20); assert(min_p <= poss && poss <= max_p); p = poss; p /= 100.0; rep(i,20){ h[i][0] = 1.0; h[i][20] = 1.0; } rep(j,20){ v[0][j] = 1.0; v[20][j] = 1.0; } rep(i,20){ rep(j,19) h[i][j+1] = 150.0 / 760.0; } rep(i,19){ rep(j,20) v[i+1][j] = 150.0 / 760.0; } rep(trial,1001){ //string ans = bfs(); string ans = dijkstra(); cout << ans << endl; int res; cin >> res; if(res == -1){ cerr << "score = " << 1000 - trial << endl; break; } int y = 0, x = 0; int siz = ans.size(); rep(i,res){ char c = ans[i]; if(c == 'U') v[y][x] = 0, y--; if(c == 'D') v[y+1][x] = 0, y++; if(c == 'L') h[y][x] = 0, x--; if(c == 'R') h[y][x+1] = 0, x++; } if(res < siz){ char c = ans[res]; /* if(c == 'U' && v[y][x] > eps) v[y][x] = 1.0 - (1.0 - v[y][x]) * p; if(c == 'D' && v[y+1][x] > eps) v[y+1][x] = 1.0 - (1.0 - v[y+1][x]) * p; if(c == 'L' && h[y][x] > eps) h[y][x] = 1.0 - (1.0 - h[y][x]) * p; if(c == 'R' && h[y][x+1] > eps) h[y][x+1] = 1.0 - (1.0 - h[y][x+1]) * p; */ if(c == 'U') v[y][x] = update(v[y][x]); if(c == 'D') v[y+1][x] = update(v[y+1][x]); if(c == 'L') h[y][x] = update(h[y][x]); if(c == 'R') h[y][x+1] = update(h[y][x+1]); } update_all(); } return 0; }