結果
| 問題 |
No.1950 片道きゃっちぼーる
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-01-18 10:25:15 |
| 言語 | Java (openjdk 23) |
| 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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| ファイルパターン | 結果 |
|---|---|
| other | AC * 3 TLE * 1 -- * 19 |
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();
}
}
tenten