結果

問題 No.1251 絶対に間違ってはいけない最小化問題
ユーザー hiromi_ayasehiromi_ayase
提出日時 2020-10-09 22:10:56
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,335 bytes
コンパイル時間 2,275 ms
コンパイル使用メモリ 89,488 KB
実行使用メモリ 77,140 KB
最終ジャッジ日時 2023-09-27 17:35:56
合計ジャッジ時間 30,700 ms
ジャッジサーバーID
(参考情報)
judge15 / judge12
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 84 ms
50,780 KB
testcase_01 AC 87 ms
53,108 KB
testcase_02 AC 84 ms
53,004 KB
testcase_03 AC 86 ms
53,076 KB
testcase_04 AC 84 ms
53,348 KB
testcase_05 AC 86 ms
53,084 KB
testcase_06 AC 85 ms
53,372 KB
testcase_07 AC 84 ms
51,280 KB
testcase_08 AC 89 ms
52,888 KB
testcase_09 AC 89 ms
53,260 KB
testcase_10 AC 88 ms
53,292 KB
testcase_11 AC 87 ms
53,280 KB
testcase_12 AC 86 ms
53,308 KB
testcase_13 AC 87 ms
52,880 KB
testcase_14 AC 89 ms
53,232 KB
testcase_15 AC 92 ms
53,116 KB
testcase_16 AC 95 ms
53,168 KB
testcase_17 AC 90 ms
53,176 KB
testcase_18 AC 684 ms
74,916 KB
testcase_19 AC 653 ms
77,140 KB
testcase_20 AC 497 ms
61,932 KB
testcase_21 AC 244 ms
59,240 KB
testcase_22 AC 470 ms
67,012 KB
testcase_23 AC 192 ms
57,700 KB
testcase_24 AC 586 ms
69,368 KB
testcase_25 AC 457 ms
67,000 KB
testcase_26 AC 298 ms
60,756 KB
testcase_27 AC 210 ms
58,080 KB
testcase_28 AC 699 ms
75,776 KB
testcase_29 AC 682 ms
75,156 KB
testcase_30 AC 700 ms
75,060 KB
testcase_31 AC 720 ms
75,196 KB
testcase_32 AC 692 ms
75,824 KB
testcase_33 AC 723 ms
75,296 KB
testcase_34 AC 719 ms
73,252 KB
testcase_35 AC 710 ms
74,040 KB
testcase_36 AC 757 ms
73,512 KB
testcase_37 AC 707 ms
74,628 KB
testcase_38 AC 694 ms
73,096 KB
testcase_39 AC 704 ms
75,388 KB
testcase_40 AC 703 ms
75,068 KB
testcase_41 AC 683 ms
72,836 KB
testcase_42 AC 705 ms
75,816 KB
testcase_43 WA -
testcase_44 AC 87 ms
53,044 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.*;

@SuppressWarnings("unused")
public class Main {

  private static void solve() {
    int n = ni();
    long[][] p = new long[n][2];
    long bsum = 0;
    for (int i = 0; i < n; i++) {
      p[i][0] = nl();
    }
    for (int i = 0; i < n; i++) {
      p[i][1] = nl();
      bsum += p[i][1];
    }

    if (n == 1) {
      System.out.println(p[0][0] + " " + f(p, p[0][0]));
      return;
    }
    Arrays.sort(p, (o1, o2) -> Long.compare(o1[0], o2[0]));

    long s = 0;
    int arg = 0;
    for (int i = 0; i < n; i++) {
      s += p[i][1];
      if (s * 2 >= bsum) {
        arg = i;
        break;
      }
    }

    if (f(p, p[arg][0]) < f(p, p[arg - 1][0])) {
      System.out.println(p[arg][0] + " " + f(p, p[arg][0]));
    } else {
      System.out.println(p[arg - 1][0] + " " + f(p, p[arg - 1][0]));
    }
  }

  private static long f(long[][] p, long x) {
    long ret = 0;
    for (long[] v : p) {
      ret += v[1] * Math.abs(x - v[0]);
    }
    return ret;
  }

  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));
  }
}
0