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 | 2022-05-26 09:02:05 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 1,452 ms / 3,000 ms |
| コード長 | 2,703 bytes |
| 記録 | |
| コンパイル時間 | 2,989 ms |
| コンパイル使用メモリ | 80,040 KB |
| 実行使用メモリ | 114,908 KB |
| 最終ジャッジ日時 | 2024-09-20 14:56:17 |
| 合計ジャッジ時間 | 25,995 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 23 |
ソースコード
import java.io.*;
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int[] positions = new int[n];
TreeMap<Integer, Integer> map = new TreeMap<>();
ArrayList<ArrayList<Integer>> graph = new ArrayList<>();
for (int i = 0; i < n; i++) {
positions[i] = sc.nextInt();
map.put(positions[i], i);
graph.add(new ArrayList<>());
}
int[] distances = new int[n];
for (int i = 0; i < n; i++) {
distances[i] = sc.nextInt();
}
for (int i = 0; i < n; i++) {
if (map.containsKey(positions[i] + distances[i])) {
graph.get(map.get(positions[i] + distances[i])).add(i);
}
if (map.containsKey(positions[i] - distances[i])) {
graph.get(map.get(positions[i] - distances[i])).add(i);
}
}
PriorityQueue<Path> queue = new PriorityQueue<>();
int[] ans = new int[n];
for (int i = 0; i < n; i++) {
queue.add(new Path(i, positions[i] + distances[i]));
}
while (queue.size() > 0) {
Path p = queue.poll();
if (ans[p.idx] >= p.value) {
continue;
}
ans[p.idx] = p.value;
for (int x : graph.get(p.idx)) {
queue.add(new Path(x, p.value));
}
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < n; i++) {
sb.append(ans[i] - positions[i]).append("\n");
}
System.out.print(sb);
}
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 another.value - value;
}
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
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 String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
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