結果

問題 No.1012 荷物収集
ユーザー tenten
提出日時 2023-02-01 10:14:26
言語 Java
(openjdk 23)
結果
AC  
実行時間 700 ms / 2,000 ms
コード長 3,113 bytes
コンパイル時間 2,690 ms
コンパイル使用メモリ 95,968 KB
実行使用メモリ 69,044 KB
最終ジャッジ日時 2024-07-01 07:19:45
合計ジャッジ時間 23,632 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 41
権限があれば一括ダウンロードができます

ソースコード

diff # 

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 q = sc.nextInt();
        ArrayList<Weight> weights = new ArrayList<>();
        for (int i = 0; i < n; i++) {
            weights.add(new Weight(false, sc.nextInt(), sc.nextInt()));
        }
        for (int i = 0; i < q; i++) {
            weights.add(new Weight(true, sc.nextInt(), i));
        }
        Collections.sort(weights);
        long[] ans = new long[q];
        long left = 0;
        long leftTotal = 0;
        int prev = 0;
        for (int i = 0; i < weights.size(); i++) {
            Weight x = weights.get(i);
            leftTotal += (x.idx - prev) * left;
            if (x.isQuery) {
                ans[x.value] += leftTotal;
            } else {
                left += x.value;
            }
            prev = x.idx;
        }
        long right = 0;
        long rightTotal = 0;
        for (int i = weights.size() - 1; i >= 0; i--) {
            Weight x = weights.get(i);
            rightTotal += (prev - x.idx) * right;
            if (x.isQuery) {
                ans[x.value] += rightTotal;
            } else {
                right += x.value;
            }
            prev = x.idx;
        }
        System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
    }
    
    static class Weight implements Comparable<Weight> {
        boolean isQuery;
        int idx;
        int value;
        
        public Weight(boolean isQuery, int idx, int value) {
            this.isQuery = isQuery;
            this.idx = idx;
            this.value = value;
        }
        
        public int compareTo(Weight another) {
            return idx - another.idx;
        }
    }
}
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();
    }
    
}
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