結果
問題 | No.424 立体迷路 |
ユーザー | neko_the_shadow |
提出日時 | 2019-05-17 13:41:14 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,485 bytes |
コンパイル時間 | 1,992 ms |
コンパイル使用メモリ | 79,256 KB |
実行使用メモリ | 56,248 KB |
最終ジャッジ日時 | 2024-09-17 05:53:39 |
合計ジャッジ時間 | 6,338 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge3 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
ソースコード
package _0424; import java.util.ArrayDeque; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner stdin = new Scanner(System.in); int h = stdin.nextInt(); int w = stdin.nextInt(); int sx = stdin.nextInt() - 1; int sy = stdin.nextInt() - 1; int gx = stdin.nextInt() - 1; int gy = stdin.nextInt() - 1; int[][] b = new int[h][w]; for (int x = 0; x < h; x++) { String s = stdin.next(); for (int y = 0; y < w; y++) { b[x][y] = (int)(s.charAt(y) - '0'); } } boolean[][] visited = new boolean[h][w]; visited[sx][sy] = true; Tuple[] diffs = new Tuple[] {new Tuple(0, 2), new Tuple(0, -2), new Tuple(2, 0), new Tuple(-2, 0)}; ArrayDeque<Tuple> stack = new ArrayDeque<>(); stack.add(new Tuple(sx, sy)); while (!stack.isEmpty()) { Tuple tuple = stack.pop(); int x1 = tuple.x; int y1 = tuple.y; for (Tuple diff : diffs) { int x2 = x1 + diff.x / 2; int y2 = y1 + diff.y / 2; int x3 = x1 + diff.x; int y3 = y1 + diff.y; if (0 <= x2 && x2 < h && 0 <= y2 && y2 < w && 0 <= x3 && x3 < h && 0 <= y3 && y3 < w && b[x1][y1] == b[x3][y3] && b[x2][y2] < b[x1][y1] && !visited[x3][y3]) { stack.push(new Tuple(x3, y3)); visited[x3][y3] = true; } if (0 <= x2 && x2 < h && 0 <= y2 && y2 < w && Math.abs(b[x1][y1] - b[x2][y2]) <= 1 && !visited[x2][y2]) { stack.push(new Tuple(x2, y2)); visited[x2][y2] = true; } } } System.out.println(Arrays.deepToString(visited)); System.out.println(visited[gx][gy] ? "YES" : "NO"); } private static class Tuple { private int x; private int y; public Tuple(int x, int y) { super(); this.x = x; this.y = y; } } }