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 | 
| 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();
    }
}
            
            
            
        
            
tenten