結果
問題 | No.340 雪の足跡 |
ユーザー | Grenache |
提出日時 | 2016-06-19 15:54:50 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 4,193 bytes |
コンパイル時間 | 3,810 ms |
コンパイル使用メモリ | 79,716 KB |
実行使用メモリ | 70,460 KB |
最終ジャッジ日時 | 2024-10-11 05:22:10 |
合計ジャッジ時間 | 20,367 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | AC | 56 ms
37,048 KB |
testcase_01 | AC | 56 ms
37,116 KB |
testcase_02 | AC | 56 ms
37,268 KB |
testcase_03 | AC | 57 ms
36,948 KB |
testcase_04 | AC | 57 ms
36,776 KB |
testcase_05 | AC | 59 ms
36,652 KB |
testcase_06 | AC | 58 ms
37,084 KB |
testcase_07 | AC | 57 ms
37,076 KB |
testcase_08 | AC | 56 ms
37,248 KB |
testcase_09 | AC | 57 ms
37,152 KB |
testcase_10 | AC | 59 ms
37,184 KB |
testcase_11 | AC | 106 ms
39,228 KB |
testcase_12 | AC | 91 ms
38,596 KB |
testcase_13 | AC | 107 ms
39,240 KB |
testcase_14 | AC | 220 ms
45,588 KB |
testcase_15 | AC | 232 ms
46,440 KB |
testcase_16 | AC | 205 ms
45,244 KB |
testcase_17 | AC | 262 ms
46,888 KB |
testcase_18 | AC | 241 ms
46,340 KB |
testcase_19 | AC | 266 ms
46,532 KB |
testcase_20 | AC | 836 ms
57,748 KB |
testcase_21 | AC | 559 ms
48,488 KB |
testcase_22 | AC | 97 ms
50,496 KB |
testcase_23 | AC | 843 ms
59,640 KB |
testcase_24 | AC | 660 ms
56,880 KB |
testcase_25 | AC | 733 ms
57,228 KB |
testcase_26 | AC | 278 ms
45,704 KB |
testcase_27 | AC | 149 ms
42,152 KB |
testcase_28 | AC | 272 ms
46,096 KB |
testcase_29 | AC | 962 ms
63,732 KB |
testcase_30 | AC | 869 ms
53,272 KB |
testcase_31 | AC | 971 ms
66,308 KB |
testcase_32 | TLE | - |
testcase_33 | AC | 916 ms
70,460 KB |
testcase_34 | TLE | - |
testcase_35 | AC | 999 ms
69,412 KB |
testcase_36 | AC | 925 ms
69,584 KB |
ソースコード
import java.io.*; import java.util.*; public class Main_yukicoder340_1 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Printer pr = new Printer(System.out); int w = sc.nextInt(); int h = sc.nextInt(); int n = sc.nextInt(); // ==================================== // long stime = System.currentTimeMillis(); // ==================================== int[][] iw = new int[h][w]; int[][] ih = new int[h][w]; for (int i = 0; i < n; i++) { int m = sc.nextInt(); int prev = 0; for (int j = 0; j < m + 1; j++) { int b = sc.nextInt(); if (j > 0) { int ph = prev / w; int pw = prev % w; int nh = b / w; int nw = b % w; if (ph == nh) { iw[ph][Math.min(pw, nw)]++; iw[ph][Math.max(pw, nw)]--; } else if (pw == nw) { ih[Math.min(ph, nh)][pw]++; ih[Math.max(ph, nh)][pw]--; } else { } } prev = b; } } // ==================================== // long etime = System.currentTimeMillis(); // System.out.printf("time : %d\n", etime - stime); // ==================================== for (int i = 0; i < h; i++) { for (int j = 0; j < w - 1; j++) { if (j > 0) { iw[i][j] += iw[i][j - 1]; } } } for (int j = 0; j < w; j++) { for (int i = 0; i < h - 1; i++) { if (i > 0) { ih[i][j] += ih[i - 1][j]; } } } // ==================================== // etime = System.currentTimeMillis(); // System.out.printf("time : %d\n", etime - stime); // ==================================== int[] dx = {1, -1, 0, 0}; int[] dy = {0, 0, 1, -1}; Queue<Integer> qx = new ArrayDeque<>(); Queue<Integer> qy = new ArrayDeque<>(); Queue<Integer> qd = new ArrayDeque<>(); boolean[][] used = new boolean[h][w]; qx.add(0); qy.add(0); qd.add(0); used[0][0] = true; while (!qx.isEmpty()) { int x = qx.remove(); int y = qy.remove(); int d = qd.remove(); if (x == w - 1 && y == h - 1) { pr.println(d); // ==================================== // etime = System.currentTimeMillis(); // System.out.printf("time : %d\n", etime - stime); // ==================================== pr.close(); sc.close(); return; } for (int i = 0; i < dx.length; i++) { int nx = x + dx[i]; int ny = y + dy[i]; if (nx < 0 || nx >= w || ny < 0 || ny >= h) { continue; } if (used[ny][nx]) { continue; } if (!isOK(x, y, nx, ny, ih, iw)) { continue; } qx.add(nx); qy.add(ny); qd.add(d + 1); used[ny][nx] = true; } } pr.println("Odekakedekinai.."); // ==================================== // etime = System.currentTimeMillis(); // System.out.printf("time : %d\n", etime - stime); // ==================================== pr.close(); sc.close(); } private static boolean isOK(int x, int y, int nx, int ny, int[][] ih, int[][] iw) { if (x == nx) { if (ih[Math.min(y, ny)][x] > 0) { return true; } } else if (y == ny) { if (iw[y][Math.min(x, nx)] > 0) { return true; } } else { } return false; } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Iterator<String> it; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } String next() throws RuntimeException { try { if (it == null || !it.hasNext()) { it = Arrays.asList(br.readLine().split(" ")).iterator(); } return it.next(); } catch (IOException e) { throw new IllegalStateException(); } } int nextInt() throws RuntimeException { return Integer.parseInt(next()); } long nextLong() throws RuntimeException { return Long.parseLong(next()); } float nextFloat() throws RuntimeException { return Float.parseFloat(next()); } double nextDouble() throws RuntimeException { return Double.parseDouble(next()); } void close() { try { br.close(); } catch (IOException e) { // throw new IllegalStateException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }