結果

問題 No.1012 荷物収集
ユーザー hiromi_ayasehiromi_ayase
提出日時 2020-03-21 10:06:06
言語 Java21
(openjdk 21)
結果
AC  
実行時間 833 ms / 2,000 ms
コード長 3,745 bytes
コンパイル時間 2,662 ms
コンパイル使用メモリ 88,440 KB
実行使用メモリ 79,784 KB
最終ジャッジ日時 2024-05-10 03:17:37
合計ジャッジ時間 24,471 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
(要ログイン)

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 81 ms
51,380 KB
testcase_01 AC 82 ms
51,168 KB
testcase_02 AC 83 ms
51,184 KB
testcase_03 AC 83 ms
51,280 KB
testcase_04 AC 604 ms
77,820 KB
testcase_05 AC 614 ms
75,904 KB
testcase_06 AC 591 ms
76,052 KB
testcase_07 AC 574 ms
74,084 KB
testcase_08 AC 594 ms
73,812 KB
testcase_09 AC 574 ms
73,748 KB
testcase_10 AC 589 ms
74,024 KB
testcase_11 AC 579 ms
74,028 KB
testcase_12 AC 579 ms
75,744 KB
testcase_13 AC 583 ms
73,976 KB
testcase_14 AC 103 ms
52,188 KB
testcase_15 AC 112 ms
52,372 KB
testcase_16 AC 106 ms
51,964 KB
testcase_17 AC 109 ms
51,924 KB
testcase_18 AC 107 ms
52,068 KB
testcase_19 AC 103 ms
52,192 KB
testcase_20 AC 102 ms
52,048 KB
testcase_21 AC 109 ms
51,828 KB
testcase_22 AC 107 ms
51,844 KB
testcase_23 AC 106 ms
51,844 KB
testcase_24 AC 582 ms
65,420 KB
testcase_25 AC 734 ms
70,772 KB
testcase_26 AC 531 ms
65,680 KB
testcase_27 AC 274 ms
57,472 KB
testcase_28 AC 746 ms
73,388 KB
testcase_29 AC 502 ms
67,848 KB
testcase_30 AC 772 ms
74,964 KB
testcase_31 AC 368 ms
59,204 KB
testcase_32 AC 391 ms
61,584 KB
testcase_33 AC 467 ms
61,532 KB
testcase_34 AC 483 ms
61,692 KB
testcase_35 AC 662 ms
68,240 KB
testcase_36 AC 399 ms
61,180 KB
testcase_37 AC 506 ms
66,084 KB
testcase_38 AC 626 ms
65,756 KB
testcase_39 AC 375 ms
61,608 KB
testcase_40 AC 418 ms
61,600 KB
testcase_41 AC 833 ms
79,784 KB
testcase_42 AC 473 ms
63,772 KB
testcase_43 AC 602 ms
65,616 KB
testcase_44 AC 82 ms
51,392 KB
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.util.Arrays;

public class Main {

  private static void solve() {
    int n = ni();
    int q = ni();

    long[][] p = new long[n][2];
    for (int i = 0; i < n; i++) {
      p[i][0] = nl(); // x
      p[i][1] = nl(); // w
    }
    Arrays.sort(p, (o1, o2) -> Long.signum(o1[0] - o2[0]));

    // p [0:x, w, total w l, total sum l, total w r, total sum r]
    long[][] ql = new long[n][2];
    long[][] qr = new long[n][2];

    ql[0][1] = p[0][1];
    for (int i = 1; i < n; i++) {
      ql[i][0] = ql[i - 1][0] + ql[i - 1][1] * (p[i][0] - p[i - 1][0]);
      ql[i][1] = ql[i - 1][1] + p[i][1];
    }

    qr[n - 1][1] = p[n - 1][1];
    for (int i = n - 2; i >= 0; i--) {
      qr[i][0] = qr[i + 1][0] + qr[i + 1][1] * (p[i + 1][0] - p[i][0]);
      qr[i][1] = qr[i + 1][1] + p[i][1];
    }

    for (int i = 0; i < q; i++) {
      long x = nl();
      int idx = lowerBound(p, x);
      long ret = 0;
      if (idx > 0) {
        ret += (x - p[idx - 1][0]) * ql[idx - 1][1] + ql[idx - 1][0];
      }
      if (idx <= n - 1) {
        ret += (p[idx][0] - x) * qr[idx][1] + qr[idx][0];
      }
      out.println(ret);
    }
  }

  public static int lowerBound(long[][] a, long v) {
    int low = -1, high = a.length;
    while (high - low > 1) {
      int h = high + low >>> 1;
      if (a[h][0] >= v) {
        high = h;
      } else {
        low = h;
      }
    }
    return high;
  }

  public static void main(String[] args) {
    new Thread(null, new Runnable() {
      @Override
      public void run() {
        long start = System.currentTimeMillis();
        String debug = args.length > 0 ? args[0] : null;
        if (debug != null) {
          try {
            is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));
          } catch (Exception e) {
            throw new RuntimeException(e);
          }
        }
        reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);
        solve();
        out.flush();
        tr((System.currentTimeMillis() - start) + "ms");
      }
    }, "", 64000000).start();
  }

  private static java.io.InputStream is = System.in;
  private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);
  private static java.util.StringTokenizer tokenizer = null;
  private static java.io.BufferedReader reader;

  public static String next() {
    while (tokenizer == null || !tokenizer.hasMoreTokens()) {
      try {
        tokenizer = new java.util.StringTokenizer(reader.readLine());
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
    return tokenizer.nextToken();
  }

  private static double nd() {
    return Double.parseDouble(next());
  }

  private static long nl() {
    return Long.parseLong(next());
  }

  private static int[] na(int n) {
    int[] a = new int[n];
    for (int i = 0; i < n; i++)
      a[i] = ni();
    return a;
  }

  private static char[] ns() {
    return next().toCharArray();
  }

  private static long[] nal(int n) {
    long[] a = new long[n];
    for (int i = 0; i < n; i++)
      a[i] = nl();
    return a;
  }

  private static int[][] ntable(int n, int m) {
    int[][] table = new int[n][m];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[i][j] = ni();
      }
    }
    return table;
  }

  private static int[][] nlist(int n, int m) {
    int[][] table = new int[m][n];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[j][i] = ni();
      }
    }
    return table;
  }

  private static int ni() {
    return Integer.parseInt(next());
  }

  private static void tr(Object... o) {
    if (is != System.in)
      System.out.println(java.util.Arrays.deepToString(o));
  }
}

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