結果
問題 | No.5006 Hidden Maze |
ユーザー | ks2m |
提出日時 | 2022-06-12 17:52:45 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,225 ms / 2,000 ms |
コード長 | 4,089 bytes |
コンパイル時間 | 2,178 ms |
実行使用メモリ | 84,256 KB |
スコア | 81,350 |
平均クエリ数 | 187.50 |
最終ジャッジ日時 | 2022-06-12 17:53:27 |
合計ジャッジ時間 | 23,494 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge14 |
純コード判定しない問題か言語 |
(要ログイン)
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 | 188 ms
59,708 KB |
testcase_01 | AC | 547 ms
65,776 KB |
testcase_02 | AC | 141 ms
54,572 KB |
testcase_03 | AC | 164 ms
65,516 KB |
testcase_04 | AC | 157 ms
59,556 KB |
testcase_05 | AC | 168 ms
57,644 KB |
testcase_06 | AC | 199 ms
57,920 KB |
testcase_07 | AC | 161 ms
55,532 KB |
testcase_08 | AC | 201 ms
58,796 KB |
testcase_09 | AC | 391 ms
68,616 KB |
testcase_10 | AC | 167 ms
57,836 KB |
testcase_11 | AC | 146 ms
58,156 KB |
testcase_12 | AC | 177 ms
59,404 KB |
testcase_13 | AC | 259 ms
62,964 KB |
testcase_14 | AC | 198 ms
69,640 KB |
testcase_15 | AC | 114 ms
51,204 KB |
testcase_16 | AC | 176 ms
57,476 KB |
testcase_17 | AC | 99 ms
54,268 KB |
testcase_18 | AC | 177 ms
55,680 KB |
testcase_19 | AC | 151 ms
55,124 KB |
testcase_20 | AC | 148 ms
60,100 KB |
testcase_21 | AC | 159 ms
55,024 KB |
testcase_22 | AC | 153 ms
55,460 KB |
testcase_23 | AC | 157 ms
55,008 KB |
testcase_24 | AC | 170 ms
56,204 KB |
testcase_25 | AC | 150 ms
54,944 KB |
testcase_26 | AC | 1,225 ms
73,400 KB |
testcase_27 | AC | 168 ms
55,024 KB |
testcase_28 | AC | 132 ms
60,640 KB |
testcase_29 | AC | 212 ms
58,508 KB |
testcase_30 | AC | 124 ms
54,456 KB |
testcase_31 | AC | 152 ms
55,324 KB |
testcase_32 | AC | 409 ms
65,928 KB |
testcase_33 | AC | 191 ms
59,800 KB |
testcase_34 | AC | 166 ms
58,380 KB |
testcase_35 | AC | 299 ms
63,596 KB |
testcase_36 | AC | 151 ms
60,616 KB |
testcase_37 | AC | 179 ms
57,208 KB |
testcase_38 | AC | 364 ms
66,620 KB |
testcase_39 | AC | 214 ms
60,420 KB |
testcase_40 | AC | 146 ms
54,132 KB |
testcase_41 | AC | 268 ms
60,328 KB |
testcase_42 | AC | 166 ms
59,288 KB |
testcase_43 | AC | 180 ms
58,680 KB |
testcase_44 | AC | 140 ms
54,892 KB |
testcase_45 | AC | 837 ms
72,100 KB |
testcase_46 | AC | 1,120 ms
73,872 KB |
testcase_47 | AC | 144 ms
54,292 KB |
testcase_48 | AC | 183 ms
57,312 KB |
testcase_49 | AC | 579 ms
78,964 KB |
testcase_50 | AC | 168 ms
67,244 KB |
testcase_51 | AC | 359 ms
76,300 KB |
testcase_52 | AC | 280 ms
71,692 KB |
testcase_53 | AC | 327 ms
74,668 KB |
testcase_54 | AC | 185 ms
68,572 KB |
testcase_55 | AC | 426 ms
76,784 KB |
testcase_56 | AC | 151 ms
66,780 KB |
testcase_57 | AC | 325 ms
73,572 KB |
testcase_58 | AC | 830 ms
79,988 KB |
testcase_59 | AC | 116 ms
63,164 KB |
testcase_60 | AC | 186 ms
69,036 KB |
testcase_61 | AC | 322 ms
73,356 KB |
testcase_62 | AC | 307 ms
73,684 KB |
testcase_63 | AC | 308 ms
73,972 KB |
testcase_64 | AC | 234 ms
71,524 KB |
testcase_65 | AC | 816 ms
81,424 KB |
testcase_66 | AC | 154 ms
67,316 KB |
testcase_67 | AC | 324 ms
73,020 KB |
testcase_68 | AC | 235 ms
69,620 KB |
testcase_69 | AC | 181 ms
68,216 KB |
testcase_70 | AC | 253 ms
71,324 KB |
testcase_71 | AC | 184 ms
68,392 KB |
testcase_72 | AC | 239 ms
71,476 KB |
testcase_73 | AC | 192 ms
69,440 KB |
testcase_74 | AC | 426 ms
77,592 KB |
testcase_75 | AC | 230 ms
70,500 KB |
testcase_76 | AC | 583 ms
78,552 KB |
testcase_77 | AC | 537 ms
79,328 KB |
testcase_78 | AC | 236 ms
70,664 KB |
testcase_79 | AC | 928 ms
82,648 KB |
testcase_80 | AC | 151 ms
65,924 KB |
testcase_81 | AC | 242 ms
70,736 KB |
testcase_82 | AC | 180 ms
68,576 KB |
testcase_83 | AC | 151 ms
65,328 KB |
testcase_84 | AC | 1,007 ms
84,256 KB |
testcase_85 | AC | 200 ms
69,776 KB |
testcase_86 | AC | 152 ms
66,220 KB |
testcase_87 | AC | 202 ms
69,768 KB |
testcase_88 | AC | 224 ms
70,040 KB |
testcase_89 | AC | 862 ms
82,112 KB |
testcase_90 | AC | 210 ms
69,120 KB |
testcase_91 | AC | 152 ms
66,320 KB |
testcase_92 | AC | 343 ms
75,108 KB |
testcase_93 | AC | 153 ms
64,660 KB |
testcase_94 | AC | 961 ms
81,620 KB |
testcase_95 | AC | 529 ms
78,988 KB |
testcase_96 | AC | 112 ms
63,296 KB |
testcase_97 | AC | 563 ms
78,336 KB |
testcase_98 | AC | 211 ms
70,440 KB |
testcase_99 | AC | 161 ms
67,012 KB |
ソースコード
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.Queue; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] sa = br.readLine().split(" "); int h = Integer.parseInt(sa[0]); int w = Integer.parseInt(sa[1]); int p = Integer.parseInt(sa[2]); int hw = h + w; int h1 = h - 1; int w1 = w - 1; int q = 100 - p; int[] dx = {1, 0, -1, 0}; int[] dy = {0, 1, 0, -1}; double[][] tate = new double[h][w]; double[][] yoko = new double[h][w]; for (int i = 0; i < h; i++) { Arrays.fill(tate[i], 0.15); Arrays.fill(yoko[i], 0.15); } double border = 0.15 + 0.8 * q / 100; List<Integer> list = new ArrayList<>(4); for (int i = 0; i < 4; i++) { list.add(i); } int z = 0; double rate = 0; int cnt = 0; while (true) { cnt++; // TODO 調整 if (z < hw * 0.9 && cnt < 40) { rate = -1; } else if (z < hw * 1.5 && cnt < 80) { rate = 0.5; } else { rate = 2; } border = Math.min(border, 0.995); // 探索 double[][] d = new double[h][w]; int[][] pre = new int[h][w]; for (int i = 0; i < h; i++) { Arrays.fill(d[i], 1e9); Arrays.fill(pre[i], -1); } d[0][0] = 0; Queue<Node> que = new ArrayDeque<>(); que.add(new Node(0, 0)); while (!que.isEmpty()) { Node cur = que.poll(); int cx = cur.v / w; int cy = cur.v % w; Collections.shuffle(list); for (int i : list) { int nx = cx + dx[i]; int ny = cy + dy[i]; if (nx < 0 || h <= nx || ny < 0 || w <= ny) { continue; } double wall = 0; if (i == 0) wall = yoko[cx][cy]; else if (i == 1) wall = tate[cx][cy]; else if (i == 2) wall = yoko[nx][ny]; else if (i == 3) wall = tate[nx][ny]; if (wall > border) { continue; } double alt = cur.d + 1 + wall * rate; if (alt < d[nx][ny]) { que.add(new Node(nx * w + ny, alt)); d[nx][ny] = alt; pre[nx][ny] = cur.v; } } } if (pre[h1][w1] == -1) { border += 0.005; continue; } // 出力 StringBuilder sb = new StringBuilder(); int pos = h1 * w + w1; while (pos != 0) { int cx = pos / w; int cy = pos % w; int np = pre[cx][cy]; int nx = np / w; int ny = np % w; if (nx < cx) sb.append('D'); else if (ny < cy) sb.append('R'); else if (nx > cx) sb.append('U'); else if (ny > cy) sb.append('L'); else throw new RuntimeException(); pos = np; } sb.reverse(); System.out.println(sb.toString()); // 入力 int a = Integer.parseInt(br.readLine()); if (a == -1) { return; } // 壁更新 int cx = 0; int cy = 0; for (int i = 0; i < a; i++) { char c = sb.charAt(i); if (c == 'D') { if (yoko[cx][cy] > 0) { z++; yoko[cx][cy] = 0; } cx++; } else if (c == 'R') { if (tate[cx][cy] > 0) { z++; tate[cx][cy] = 0; } cy++; } else if (c == 'U') { cx--; if (yoko[cx][cy] > 0) { z++; yoko[cx][cy] = 0; } } else if (c == 'L') { cy--; if (tate[cx][cy] > 0) { z++; tate[cx][cy] = 0; } } } char c = sb.charAt(a); double rate2 = q * (400 - a) / 40000.0; if (c == 'D' && yoko[cx][cy] > 0.1) { yoko[cx][cy] += (1 - yoko[cx][cy]) * rate2; } else if (c == 'R' && tate[cx][cy] > 0.1) { tate[cx][cy] += (1 - tate[cx][cy]) * rate2; } else if (c == 'U' && yoko[cx - 1][cy] > 0.1) { yoko[cx - 1][cy] += (1 - yoko[cx - 1][cy]) * rate2; } else if (c == 'L' && tate[cx][cy - 1] > 0.1) { tate[cx][cy - 1] += (1 - tate[cx][cy - 1]) * rate2; } } } static class Node implements Comparable<Node> { int v; double d; public Node(int v, double d) { this.v = v; this.d = d; } public int compareTo(Node o) { return Double.compare(d, o.d); } } }