結果
問題 | No.5006 Hidden Maze |
ユーザー | ks2m |
提出日時 | 2022-06-12 16:50:30 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,837 ms / 2,000 ms |
コード長 | 3,628 bytes |
コンパイル時間 | 1,795 ms |
実行使用メモリ | 71,936 KB |
スコア | 84,328 |
平均クエリ数 | 157.72 |
最終ジャッジ日時 | 2022-06-12 16:51:18 |
合計ジャッジ時間 | 43,726 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge10 |
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 | 251 ms
62,192 KB |
testcase_01 | AC | 602 ms
68,292 KB |
testcase_02 | AC | 320 ms
64,656 KB |
testcase_03 | AC | 223 ms
59,200 KB |
testcase_04 | AC | 147 ms
56,280 KB |
testcase_05 | AC | 310 ms
64,368 KB |
testcase_06 | AC | 193 ms
58,276 KB |
testcase_07 | AC | 183 ms
57,580 KB |
testcase_08 | AC | 300 ms
65,116 KB |
testcase_09 | AC | 211 ms
66,472 KB |
testcase_10 | AC | 249 ms
61,612 KB |
testcase_11 | AC | 123 ms
52,484 KB |
testcase_12 | AC | 532 ms
67,764 KB |
testcase_13 | AC | 257 ms
64,284 KB |
testcase_14 | AC | 267 ms
64,360 KB |
testcase_15 | AC | 151 ms
60,016 KB |
testcase_16 | AC | 138 ms
55,324 KB |
testcase_17 | AC | 159 ms
54,624 KB |
testcase_18 | AC | 385 ms
68,616 KB |
testcase_19 | AC | 159 ms
56,476 KB |
testcase_20 | AC | 141 ms
53,756 KB |
testcase_21 | AC | 144 ms
60,100 KB |
testcase_22 | AC | 125 ms
54,388 KB |
testcase_23 | AC | 206 ms
59,168 KB |
testcase_24 | AC | 573 ms
71,936 KB |
testcase_25 | AC | 327 ms
64,184 KB |
testcase_26 | AC | 1,101 ms
71,308 KB |
testcase_27 | AC | 153 ms
56,208 KB |
testcase_28 | AC | 121 ms
53,892 KB |
testcase_29 | AC | 288 ms
62,076 KB |
testcase_30 | AC | 161 ms
57,156 KB |
testcase_31 | AC | 157 ms
56,016 KB |
testcase_32 | AC | 244 ms
61,568 KB |
testcase_33 | AC | 182 ms
66,488 KB |
testcase_34 | AC | 193 ms
58,276 KB |
testcase_35 | AC | 143 ms
54,760 KB |
testcase_36 | AC | 131 ms
64,148 KB |
testcase_37 | AC | 163 ms
55,988 KB |
testcase_38 | AC | 465 ms
64,096 KB |
testcase_39 | AC | 139 ms
55,292 KB |
testcase_40 | AC | 142 ms
53,276 KB |
testcase_41 | AC | 159 ms
55,144 KB |
testcase_42 | AC | 195 ms
64,704 KB |
testcase_43 | AC | 227 ms
68,120 KB |
testcase_44 | AC | 70 ms
49,544 KB |
testcase_45 | AC | 1,837 ms
70,700 KB |
testcase_46 | AC | 1,351 ms
71,056 KB |
testcase_47 | AC | 242 ms
66,904 KB |
testcase_48 | AC | 236 ms
59,700 KB |
testcase_49 | AC | 431 ms
65,724 KB |
testcase_50 | AC | 213 ms
58,336 KB |
testcase_51 | AC | 269 ms
61,504 KB |
testcase_52 | AC | 253 ms
64,292 KB |
testcase_53 | AC | 676 ms
67,324 KB |
testcase_54 | AC | 122 ms
53,732 KB |
testcase_55 | AC | 232 ms
61,384 KB |
testcase_56 | AC | 297 ms
64,012 KB |
testcase_57 | AC | 191 ms
64,716 KB |
testcase_58 | AC | 156 ms
57,492 KB |
testcase_59 | AC | 124 ms
53,580 KB |
testcase_60 | AC | 181 ms
57,236 KB |
testcase_61 | AC | 130 ms
55,624 KB |
testcase_62 | AC | 227 ms
58,860 KB |
testcase_63 | AC | 189 ms
58,452 KB |
testcase_64 | AC | 152 ms
57,740 KB |
testcase_65 | AC | 175 ms
62,840 KB |
testcase_66 | AC | 150 ms
57,268 KB |
testcase_67 | AC | 212 ms
58,524 KB |
testcase_68 | AC | 322 ms
64,112 KB |
testcase_69 | AC | 123 ms
52,620 KB |
testcase_70 | AC | 139 ms
54,160 KB |
testcase_71 | AC | 180 ms
58,408 KB |
testcase_72 | AC | 115 ms
52,196 KB |
testcase_73 | AC | 217 ms
59,336 KB |
testcase_74 | AC | 285 ms
63,984 KB |
testcase_75 | AC | 875 ms
67,656 KB |
testcase_76 | AC | 820 ms
71,272 KB |
testcase_77 | AC | 391 ms
65,628 KB |
testcase_78 | AC | 186 ms
58,448 KB |
testcase_79 | AC | 1,148 ms
67,200 KB |
testcase_80 | AC | 173 ms
58,028 KB |
testcase_81 | AC | 203 ms
57,952 KB |
testcase_82 | AC | 345 ms
64,224 KB |
testcase_83 | AC | 128 ms
54,980 KB |
testcase_84 | AC | 155 ms
63,720 KB |
testcase_85 | AC | 181 ms
58,980 KB |
testcase_86 | AC | 137 ms
61,396 KB |
testcase_87 | AC | 155 ms
55,640 KB |
testcase_88 | AC | 246 ms
59,736 KB |
testcase_89 | AC | 723 ms
66,672 KB |
testcase_90 | AC | 271 ms
64,800 KB |
testcase_91 | AC | 153 ms
55,744 KB |
testcase_92 | AC | 317 ms
66,948 KB |
testcase_93 | AC | 110 ms
50,664 KB |
testcase_94 | AC | 179 ms
68,800 KB |
testcase_95 | AC | 638 ms
66,116 KB |
testcase_96 | AC | 137 ms
54,156 KB |
testcase_97 | AC | 335 ms
63,592 KB |
testcase_98 | AC | 357 ms
64,692 KB |
testcase_99 | AC | 104 ms
50,468 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 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 = 0.98; List<Integer> list = new ArrayList<>(4); for (int i = 0; i < 4; i++) { list.add(i); } while (true) { 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 * 1.2; // TODO 調整 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 += 0.002; 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') { yoko[cx][cy] = 0; cx++; } else if (c == 'R') { tate[cx][cy] = 0; cy++; } else if (c == 'U') { cx--; yoko[cx][cy] = 0; } else if (c == 'L') { cy--; tate[cx][cy] = 0; } } char c = sb.charAt(a); if (c == 'D' && yoko[cx][cy] > 0.1) { yoko[cx][cy] += (1 - yoko[cx][cy]) * q / 100; } else if (c == 'R' && tate[cx][cy] > 0.1) { tate[cx][cy] += (1 - tate[cx][cy]) * q / 100; } else if (c == 'U' && yoko[cx - 1][cy] > 0.1) { yoko[cx - 1][cy] += (1 - yoko[cx - 1][cy]) * q / 100; } else if (c == 'L' && tate[cx][cy - 1] > 0.1) { tate[cx][cy - 1] += (1 - tate[cx][cy - 1]) * q / 100; } } } 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); } } }