結果
問題 | No.5006 Hidden Maze |
ユーザー | ks2m |
提出日時 | 2022-06-12 16:29:00 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,584 ms / 2,000 ms |
コード長 | 3,626 bytes |
コンパイル時間 | 2,082 ms |
実行使用メモリ | 83,136 KB |
スコア | 85,254 |
平均クエリ数 | 148.46 |
最終ジャッジ日時 | 2022-06-12 16:30:05 |
合計ジャッジ時間 | 49,858 ms |
ジャッジサーバーID (参考情報) |
judge10 / 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 | 291 ms
72,652 KB |
testcase_01 | AC | 885 ms
80,824 KB |
testcase_02 | AC | 424 ms
76,492 KB |
testcase_03 | AC | 189 ms
69,184 KB |
testcase_04 | AC | 201 ms
69,176 KB |
testcase_05 | AC | 298 ms
72,036 KB |
testcase_06 | AC | 497 ms
76,788 KB |
testcase_07 | AC | 414 ms
76,472 KB |
testcase_08 | AC | 262 ms
72,068 KB |
testcase_09 | AC | 173 ms
67,460 KB |
testcase_10 | AC | 216 ms
69,464 KB |
testcase_11 | AC | 201 ms
68,380 KB |
testcase_12 | AC | 308 ms
72,812 KB |
testcase_13 | AC | 219 ms
69,960 KB |
testcase_14 | AC | 1,393 ms
81,264 KB |
testcase_15 | AC | 119 ms
65,512 KB |
testcase_16 | AC | 647 ms
78,468 KB |
testcase_17 | AC | 174 ms
66,344 KB |
testcase_18 | AC | 225 ms
70,572 KB |
testcase_19 | AC | 199 ms
69,332 KB |
testcase_20 | AC | 158 ms
67,140 KB |
testcase_21 | AC | 185 ms
67,448 KB |
testcase_22 | AC | 158 ms
66,856 KB |
testcase_23 | AC | 192 ms
69,768 KB |
testcase_24 | AC | 207 ms
69,972 KB |
testcase_25 | AC | 91 ms
62,276 KB |
testcase_26 | AC | 1,167 ms
80,684 KB |
testcase_27 | AC | 257 ms
71,004 KB |
testcase_28 | AC | 118 ms
62,872 KB |
testcase_29 | AC | 985 ms
77,120 KB |
testcase_30 | AC | 227 ms
70,624 KB |
testcase_31 | AC | 170 ms
67,428 KB |
testcase_32 | AC | 466 ms
76,440 KB |
testcase_33 | AC | 320 ms
75,420 KB |
testcase_34 | AC | 152 ms
66,496 KB |
testcase_35 | AC | 228 ms
69,708 KB |
testcase_36 | AC | 193 ms
69,200 KB |
testcase_37 | AC | 250 ms
70,180 KB |
testcase_38 | AC | 389 ms
76,664 KB |
testcase_39 | AC | 174 ms
68,556 KB |
testcase_40 | AC | 149 ms
67,328 KB |
testcase_41 | AC | 236 ms
70,348 KB |
testcase_42 | AC | 156 ms
67,224 KB |
testcase_43 | AC | 213 ms
69,344 KB |
testcase_44 | AC | 118 ms
63,292 KB |
testcase_45 | AC | 326 ms
73,456 KB |
testcase_46 | AC | 1,584 ms
83,136 KB |
testcase_47 | AC | 152 ms
64,492 KB |
testcase_48 | AC | 351 ms
76,096 KB |
testcase_49 | AC | 1,185 ms
77,992 KB |
testcase_50 | AC | 172 ms
68,088 KB |
testcase_51 | AC | 192 ms
67,844 KB |
testcase_52 | AC | 210 ms
70,540 KB |
testcase_53 | AC | 508 ms
77,040 KB |
testcase_54 | AC | 209 ms
65,092 KB |
testcase_55 | AC | 405 ms
76,236 KB |
testcase_56 | AC | 388 ms
68,336 KB |
testcase_57 | AC | 301 ms
72,852 KB |
testcase_58 | AC | 492 ms
76,380 KB |
testcase_59 | AC | 760 ms
80,216 KB |
testcase_60 | AC | 156 ms
69,192 KB |
testcase_61 | AC | 80 ms
61,568 KB |
testcase_62 | AC | 248 ms
70,456 KB |
testcase_63 | AC | 200 ms
68,004 KB |
testcase_64 | AC | 177 ms
67,680 KB |
testcase_65 | AC | 111 ms
63,244 KB |
testcase_66 | AC | 168 ms
67,188 KB |
testcase_67 | AC | 177 ms
67,412 KB |
testcase_68 | AC | 278 ms
73,076 KB |
testcase_69 | AC | 201 ms
69,480 KB |
testcase_70 | AC | 142 ms
67,176 KB |
testcase_71 | AC | 161 ms
69,820 KB |
testcase_72 | AC | 151 ms
65,204 KB |
testcase_73 | AC | 200 ms
69,652 KB |
testcase_74 | AC | 192 ms
69,216 KB |
testcase_75 | AC | 250 ms
70,756 KB |
testcase_76 | AC | 155 ms
67,684 KB |
testcase_77 | AC | 269 ms
70,560 KB |
testcase_78 | AC | 165 ms
67,132 KB |
testcase_79 | AC | 1,190 ms
76,864 KB |
testcase_80 | AC | 145 ms
66,908 KB |
testcase_81 | AC | 124 ms
65,556 KB |
testcase_82 | AC | 169 ms
67,564 KB |
testcase_83 | AC | 142 ms
65,340 KB |
testcase_84 | AC | 162 ms
67,936 KB |
testcase_85 | AC | 235 ms
69,668 KB |
testcase_86 | AC | 160 ms
68,136 KB |
testcase_87 | AC | 159 ms
67,488 KB |
testcase_88 | AC | 211 ms
70,108 KB |
testcase_89 | AC | 747 ms
79,152 KB |
testcase_90 | AC | 252 ms
70,324 KB |
testcase_91 | AC | 205 ms
69,336 KB |
testcase_92 | AC | 285 ms
72,556 KB |
testcase_93 | AC | 123 ms
63,760 KB |
testcase_94 | AC | 703 ms
81,424 KB |
testcase_95 | AC | 157 ms
66,864 KB |
testcase_96 | AC | 114 ms
63,368 KB |
testcase_97 | AC | 228 ms
70,668 KB |
testcase_98 | AC | 319 ms
73,448 KB |
testcase_99 | AC | 156 ms
66,876 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 * 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); } } }