結果
問題 | No.1950 片道きゃっちぼーる |
ユーザー | tenten |
提出日時 | 2023-01-18 10:25:15 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,288 bytes |
コンパイル時間 | 3,071 ms |
コンパイル使用メモリ | 98,192 KB |
実行使用メモリ | 37,144 KB |
最終ジャッジ日時 | 2024-06-11 13:14:26 |
合計ジャッジ時間 | 9,864 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 48 ms
37,144 KB |
testcase_01 | AC | 47 ms
36,788 KB |
testcase_02 | AC | 46 ms
37,044 KB |
testcase_03 | TLE | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); static Person[] persons; static int[] dp; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); persons = new Person[n]; TreeMap<Integer, Person> positions = new TreeMap<>(); for (int i = 0; i < n; i++) { persons[i] = new Person(i, sc.nextInt()); positions.put(persons[i].position, persons[i]); graph.add(new ArrayList<>()); } for (int i = 0; i < n; i++) { persons[i].distance = sc.nextInt(); } for (int i = 0; i < n; i++) { if (positions.containsKey(persons[i].position - persons[i].distance)) { graph.get(i).add(positions.get(persons[i].position - persons[i].distance).idx); } if (positions.containsKey(persons[i].position + persons[i].distance)) { graph.get(i).add(positions.get(persons[i].position + persons[i].distance).idx); } } dp = new int[n]; StringBuilder sb = new StringBuilder(); for (int i = 0; i < n; i++) { sb.append(dfw(i, new boolean[n]) - persons[i].position).append("\n"); } System.out.print(sb); } static int dfw(int idx, boolean[] used) { if (used[idx]) { return 0; } if (dp[idx] == 0) { used[idx] = true; dp[idx] = persons[idx].position + persons[idx].distance; for (int x : graph.get(idx)) { dp[idx] = Math.max(dp[idx], dfw(x, used)); } used[idx] = false; } return dp[idx]; } static class Person { int idx; int position; int distance; public Person(int idx, int position) { this.idx = idx; this.position = position; } } } 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(); } }