結果
問題 | No.5006 Hidden Maze |
ユーザー | ks2m |
提出日時 | 2022-06-12 17:23:12 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,052 ms / 2,000 ms |
コード長 | 4,037 bytes |
コンパイル時間 | 2,534 ms |
実行使用メモリ | 73,848 KB |
スコア | 81,363 |
平均クエリ数 | 187.37 |
最終ジャッジ日時 | 2022-06-12 17:23:56 |
合計ジャッジ時間 | 36,477 ms |
ジャッジサーバーID (参考情報) |
judge15 / 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 | 192 ms
59,272 KB |
testcase_01 | AC | 196 ms
55,964 KB |
testcase_02 | AC | 168 ms
60,476 KB |
testcase_03 | AC | 444 ms
65,992 KB |
testcase_04 | AC | 169 ms
57,464 KB |
testcase_05 | AC | 173 ms
68,016 KB |
testcase_06 | AC | 190 ms
65,964 KB |
testcase_07 | AC | 132 ms
51,608 KB |
testcase_08 | AC | 375 ms
62,448 KB |
testcase_09 | AC | 491 ms
66,176 KB |
testcase_10 | AC | 199 ms
58,728 KB |
testcase_11 | AC | 236 ms
57,836 KB |
testcase_12 | AC | 179 ms
60,104 KB |
testcase_13 | AC | 151 ms
54,596 KB |
testcase_14 | AC | 601 ms
72,196 KB |
testcase_15 | AC | 177 ms
53,764 KB |
testcase_16 | AC | 221 ms
57,624 KB |
testcase_17 | AC | 163 ms
53,960 KB |
testcase_18 | AC | 255 ms
58,492 KB |
testcase_19 | AC | 178 ms
54,332 KB |
testcase_20 | AC | 273 ms
59,412 KB |
testcase_21 | AC | 152 ms
59,800 KB |
testcase_22 | AC | 155 ms
55,324 KB |
testcase_23 | AC | 194 ms
57,964 KB |
testcase_24 | AC | 239 ms
63,528 KB |
testcase_25 | AC | 154 ms
56,612 KB |
testcase_26 | AC | 565 ms
71,208 KB |
testcase_27 | AC | 156 ms
56,688 KB |
testcase_28 | AC | 138 ms
54,940 KB |
testcase_29 | AC | 185 ms
57,496 KB |
testcase_30 | AC | 135 ms
53,612 KB |
testcase_31 | AC | 177 ms
57,400 KB |
testcase_32 | AC | 220 ms
60,676 KB |
testcase_33 | AC | 199 ms
68,328 KB |
testcase_34 | AC | 190 ms
58,872 KB |
testcase_35 | AC | 218 ms
60,236 KB |
testcase_36 | AC | 146 ms
53,596 KB |
testcase_37 | AC | 813 ms
70,876 KB |
testcase_38 | AC | 500 ms
65,608 KB |
testcase_39 | AC | 82 ms
51,932 KB |
testcase_40 | AC | 153 ms
54,332 KB |
testcase_41 | AC | 148 ms
54,704 KB |
testcase_42 | AC | 222 ms
56,996 KB |
testcase_43 | AC | 281 ms
66,552 KB |
testcase_44 | AC | 95 ms
57,252 KB |
testcase_45 | AC | 131 ms
65,416 KB |
testcase_46 | AC | 1,052 ms
73,848 KB |
testcase_47 | AC | 188 ms
57,636 KB |
testcase_48 | AC | 188 ms
68,844 KB |
testcase_49 | AC | 392 ms
71,692 KB |
testcase_50 | AC | 175 ms
57,052 KB |
testcase_51 | AC | 148 ms
55,208 KB |
testcase_52 | AC | 212 ms
58,888 KB |
testcase_53 | AC | 350 ms
63,128 KB |
testcase_54 | AC | 131 ms
60,136 KB |
testcase_55 | AC | 211 ms
58,696 KB |
testcase_56 | AC | 154 ms
55,920 KB |
testcase_57 | AC | 263 ms
61,296 KB |
testcase_58 | AC | 206 ms
70,012 KB |
testcase_59 | AC | 196 ms
55,640 KB |
testcase_60 | AC | 198 ms
58,752 KB |
testcase_61 | AC | 205 ms
57,820 KB |
testcase_62 | AC | 266 ms
60,744 KB |
testcase_63 | AC | 156 ms
52,916 KB |
testcase_64 | AC | 170 ms
60,172 KB |
testcase_65 | AC | 144 ms
66,932 KB |
testcase_66 | AC | 171 ms
58,684 KB |
testcase_67 | AC | 173 ms
59,812 KB |
testcase_68 | AC | 180 ms
56,344 KB |
testcase_69 | AC | 174 ms
53,504 KB |
testcase_70 | AC | 144 ms
54,216 KB |
testcase_71 | AC | 153 ms
53,664 KB |
testcase_72 | AC | 160 ms
57,312 KB |
testcase_73 | AC | 176 ms
58,048 KB |
testcase_74 | AC | 521 ms
65,940 KB |
testcase_75 | AC | 605 ms
71,632 KB |
testcase_76 | AC | 306 ms
65,548 KB |
testcase_77 | AC | 609 ms
67,432 KB |
testcase_78 | AC | 127 ms
54,036 KB |
testcase_79 | AC | 814 ms
70,028 KB |
testcase_80 | AC | 157 ms
55,580 KB |
testcase_81 | AC | 166 ms
55,356 KB |
testcase_82 | AC | 189 ms
59,844 KB |
testcase_83 | AC | 149 ms
55,440 KB |
testcase_84 | AC | 162 ms
65,412 KB |
testcase_85 | AC | 171 ms
59,672 KB |
testcase_86 | AC | 142 ms
54,004 KB |
testcase_87 | AC | 611 ms
66,668 KB |
testcase_88 | AC | 203 ms
57,904 KB |
testcase_89 | AC | 543 ms
67,812 KB |
testcase_90 | AC | 165 ms
56,084 KB |
testcase_91 | AC | 171 ms
54,868 KB |
testcase_92 | AC | 179 ms
56,692 KB |
testcase_93 | AC | 155 ms
59,624 KB |
testcase_94 | AC | 884 ms
73,640 KB |
testcase_95 | AC | 186 ms
59,948 KB |
testcase_96 | AC | 124 ms
56,596 KB |
testcase_97 | AC | 232 ms
60,760 KB |
testcase_98 | AC | 483 ms
68,688 KB |
testcase_99 | AC | 127 ms
51,176 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; while (true) { // TODO 調整 if (z < hw * 0.7) { rate = -1; } else if (z < hw * 1.1) { rate = 0; } 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 += 0.01; 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); } } }