結果
問題 | No.2354 Poor Sight in Winter |
ユーザー | tenten |
提出日時 | 2023-07-05 11:48:17 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,018 ms / 2,000 ms |
コード長 | 3,489 bytes |
コンパイル時間 | 5,195 ms |
コンパイル使用メモリ | 95,596 KB |
実行使用メモリ | 57,900 KB |
最終ジャッジ日時 | 2024-07-19 06:07:38 |
合計ジャッジ時間 | 14,854 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
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 | 53 ms
37,016 KB |
testcase_01 | AC | 53 ms
36,848 KB |
testcase_02 | AC | 53 ms
36,872 KB |
testcase_03 | AC | 53 ms
37,016 KB |
testcase_04 | AC | 53 ms
37,236 KB |
testcase_05 | AC | 53 ms
36,980 KB |
testcase_06 | AC | 52 ms
36,796 KB |
testcase_07 | AC | 52 ms
37,288 KB |
testcase_08 | AC | 53 ms
37,260 KB |
testcase_09 | AC | 53 ms
37,264 KB |
testcase_10 | AC | 54 ms
37,060 KB |
testcase_11 | AC | 637 ms
54,024 KB |
testcase_12 | AC | 403 ms
53,948 KB |
testcase_13 | AC | 1,016 ms
57,888 KB |
testcase_14 | AC | 964 ms
56,804 KB |
testcase_15 | AC | 1,018 ms
57,900 KB |
testcase_16 | AC | 953 ms
57,020 KB |
testcase_17 | AC | 972 ms
57,864 KB |
testcase_18 | AC | 465 ms
49,708 KB |
testcase_19 | AC | 690 ms
56,516 KB |
testcase_20 | AC | 461 ms
50,392 KB |
testcase_21 | AC | 120 ms
41,080 KB |
testcase_22 | AC | 317 ms
47,356 KB |
testcase_23 | AC | 347 ms
47,480 KB |
testcase_24 | AC | 644 ms
53,956 KB |
testcase_25 | AC | 252 ms
46,924 KB |
testcase_26 | AC | 249 ms
47,424 KB |
testcase_27 | AC | 84 ms
39,248 KB |
testcase_28 | AC | 112 ms
40,020 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int k = sc.nextInt(); Point[] points = new Point[n + 2]; for (int i = 0; i < n + 2; i++) { points[i] = new Point(sc.nextInt(), sc.nextInt()); } int[][] matrix = new int[n + 2][n + 2]; for (int i = 0; i < n + 2; i++) { for (int j = i + 1; j < n + 2; j++) { int d = points[i].getDixtance(points[j]); matrix[i][j] = d; matrix[j][i] = d; } } PriorityQueue<Path> queue = new PriorityQueue<>(); int[] costs = new int[n + 2]; int left = 0; int right = Integer.MAX_VALUE / 2; while (right - left > 1) { int m = (left + right) / 2; Arrays.fill(costs, Integer.MAX_VALUE); queue.add(new Path(0, 0)); while (queue.size() > 0) { Path p = queue.poll(); if (costs[p.idx] <= p.value) { continue; } costs[p.idx] = p.value; for (int i = 0; i < n + 2; i++) { if (costs[i] == Integer.MAX_VALUE) { queue.add(new Path(i, p.value + (matrix[i][p.idx] - 1) / m)); } } } if (costs[1] > k) { left = m; } else { right = m; } } System.out.println(right); } static class Point { int x; int y; public Point(int x, int y) { this.x = x; this.y = y; } public int getDixtance(Point p) { return Math.abs(x - p.x) + Math.abs(y - p.y); } } static class Path implements Comparable<Path> { int idx; int value; public Path(int idx, int value) { this.idx = idx; this.value = value; } public int compareTo(Path another) { return value - another.value; } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }