結果

問題 No.5004 Room Assignment
ユーザー KumaTachiRenKumaTachiRen
提出日時 2021-12-01 17:36:28
言語 C#
(.NET 8.0.203)
結果
AC  
実行時間 515 ms / 5,000 ms
コード長 5,300 bytes
コンパイル時間 12,163 ms
実行使用メモリ 43,252 KB
スコア 80,484,670
平均クエリ数 7647.89
最終ジャッジ日時 2021-12-01 17:37:35
合計ジャッジ時間 65,525 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge11
純コード判定しない問題か言語
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 476 ms
43,156 KB
testcase_01 AC 503 ms
42,660 KB
testcase_02 AC 477 ms
42,536 KB
testcase_03 AC 477 ms
42,968 KB
testcase_04 AC 493 ms
42,916 KB
testcase_05 AC 475 ms
43,052 KB
testcase_06 AC 485 ms
43,004 KB
testcase_07 AC 488 ms
42,764 KB
testcase_08 AC 496 ms
42,764 KB
testcase_09 AC 479 ms
43,120 KB
testcase_10 AC 482 ms
42,956 KB
testcase_11 AC 489 ms
42,628 KB
testcase_12 AC 482 ms
42,724 KB
testcase_13 AC 491 ms
42,856 KB
testcase_14 AC 512 ms
42,532 KB
testcase_15 AC 480 ms
42,636 KB
testcase_16 AC 485 ms
42,976 KB
testcase_17 AC 488 ms
42,700 KB
testcase_18 AC 477 ms
43,132 KB
testcase_19 AC 481 ms
42,840 KB
testcase_20 AC 507 ms
42,712 KB
testcase_21 AC 496 ms
42,856 KB
testcase_22 AC 477 ms
42,588 KB
testcase_23 AC 486 ms
42,844 KB
testcase_24 AC 475 ms
42,416 KB
testcase_25 AC 480 ms
42,820 KB
testcase_26 AC 488 ms
42,940 KB
testcase_27 AC 481 ms
42,708 KB
testcase_28 AC 483 ms
42,628 KB
testcase_29 AC 498 ms
42,892 KB
testcase_30 AC 476 ms
42,916 KB
testcase_31 AC 479 ms
42,864 KB
testcase_32 AC 496 ms
42,784 KB
testcase_33 AC 481 ms
42,964 KB
testcase_34 AC 490 ms
42,632 KB
testcase_35 AC 489 ms
42,560 KB
testcase_36 AC 479 ms
42,952 KB
testcase_37 AC 478 ms
42,552 KB
testcase_38 AC 485 ms
42,980 KB
testcase_39 AC 479 ms
42,884 KB
testcase_40 AC 490 ms
42,588 KB
testcase_41 AC 494 ms
43,044 KB
testcase_42 AC 481 ms
42,840 KB
testcase_43 AC 477 ms
42,776 KB
testcase_44 AC 487 ms
42,788 KB
testcase_45 AC 500 ms
42,624 KB
testcase_46 AC 487 ms
42,376 KB
testcase_47 AC 477 ms
43,236 KB
testcase_48 AC 509 ms
42,928 KB
testcase_49 AC 495 ms
42,772 KB
testcase_50 AC 490 ms
42,940 KB
testcase_51 AC 509 ms
43,064 KB
testcase_52 AC 482 ms
43,020 KB
testcase_53 AC 484 ms
43,000 KB
testcase_54 AC 515 ms
42,936 KB
testcase_55 AC 483 ms
42,600 KB
testcase_56 AC 478 ms
42,748 KB
testcase_57 AC 476 ms
42,664 KB
testcase_58 AC 508 ms
43,100 KB
testcase_59 AC 478 ms
42,852 KB
testcase_60 AC 478 ms
42,872 KB
testcase_61 AC 474 ms
42,892 KB
testcase_62 AC 481 ms
42,948 KB
testcase_63 AC 477 ms
42,732 KB
testcase_64 AC 479 ms
42,596 KB
testcase_65 AC 490 ms
42,704 KB
testcase_66 AC 476 ms
42,964 KB
testcase_67 AC 488 ms
42,692 KB
testcase_68 AC 484 ms
42,804 KB
testcase_69 AC 490 ms
42,712 KB
testcase_70 AC 507 ms
42,976 KB
testcase_71 AC 482 ms
43,060 KB
testcase_72 AC 507 ms
42,904 KB
testcase_73 AC 485 ms
42,868 KB
testcase_74 AC 481 ms
42,984 KB
testcase_75 AC 502 ms
43,128 KB
testcase_76 AC 481 ms
42,600 KB
testcase_77 AC 480 ms
42,668 KB
testcase_78 AC 479 ms
43,160 KB
testcase_79 AC 510 ms
42,852 KB
testcase_80 AC 476 ms
42,860 KB
testcase_81 AC 479 ms
42,856 KB
testcase_82 AC 501 ms
42,868 KB
testcase_83 AC 478 ms
42,728 KB
testcase_84 AC 477 ms
42,856 KB
testcase_85 AC 490 ms
43,088 KB
testcase_86 AC 478 ms
42,760 KB
testcase_87 AC 480 ms
42,592 KB
testcase_88 AC 492 ms
42,772 KB
testcase_89 AC 504 ms
42,928 KB
testcase_90 AC 479 ms
42,820 KB
testcase_91 AC 494 ms
42,976 KB
testcase_92 AC 482 ms
42,948 KB
testcase_93 AC 482 ms
43,252 KB
testcase_94 AC 491 ms
42,780 KB
testcase_95 AC 482 ms
42,724 KB
testcase_96 AC 494 ms
42,896 KB
testcase_97 AC 486 ms
42,900 KB
testcase_98 AC 493 ms
42,564 KB
testcase_99 AC 474 ms
42,620 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
.NET 向け Microsoft (R) Build Engine バージョン 16.9.0+5e4b48a27
Copyright (C) Microsoft Corporation.All rights reserved.

  Determining projects to restore...
  Restored /home/judge/data/code/main.csproj (in 284 ms).
/home/judge/data/code/Main.cs(119,10): warning CS0414: フィールド 'Solver.inf' が割り当てられていますが、値は使用されていません [/home/judge/data/code/main.csproj]
  main -> /home/judge/data/code/bin/Release/net5.0/linux-x64/main.dll
  main -> /home/judge/data/code/bin/Release/net5.0/linux-x64/publish/

ソースコード

diff # 

using System;
using System.Linq;
using System.Numerics;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Timers;
using N = System.Int64;

static class Program
{
    static public void Main(string[] args)
    {
        Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        var solver = new Solver();
        solver.Solve();
        Console.Out.Flush();
    }
}

public class Solver
{
    public void Solve()
    {
        int t = ri, r = ri;
        var uf = new UnionFind(5400);
        int p = 0;
        for (int timer = 0; timer < t; timer++)
        {
            int n = ri;
            int s;
            var ans = new List<string>();
            for (int i = 0; i < n; i++)
            {
                s = ri;
                uf.SetSkill(p + i, s);
                for (int j = 0; j < p + i; j++)
                {
                    if (uf.Size(j) < 4 && uf.GetNowValue(j) < uf.GetNewValue(j, s))
                    {
                        uf.Unite(j, p + i);
                        ans.Add($"{j + 1} {p + i + 1}");
                        break;
                    }
                }
            }
            if (ans.Count == 0) Write(0);
            else Write($"{ans.Count}\n{string.Join("\n", ans)}");
            Console.Out.Flush();
            p += n;
        }
    }
    public class UnionFind
    {
        private int _len;
        private int[] _par;
        private int[] _size;
        private int[] _skill_min;
        private int[] _skill_max;
        public UnionFind(int len)
        {
            _len = len;
            _par = new int[len];
            _size = new int[len];
            for (int i = 0; i < len; i++)
            {
                _par[i] = i;
                _size[i] = 1;
            }
            _skill_min = new int[len];
            _skill_max = new int[len];
        }
        public void SetSkill(int x, int s)
        {
            _skill_min[x] = s;
            _skill_max[x] = s;
        }
        public int GetNowValue(int x)
        {
            int rx = Root(x);
            int k = _size[rx] * (_size[rx] - 1) / 2;
            int skill = _skill_max[rx] - _skill_min[rx];
            return Math.Max(0, k * (200 - skill * skill));
        }
        public int GetNewValue(int x, int s)
        {
            int rx = Root(x);
            int k = _size[rx] * (_size[rx] + 1) / 2;
            int skill = Math.Max(_skill_max[rx], s) - Math.Min(_skill_min[rx], s);
            return Math.Max(0, k * (200 - skill * skill));
        }
        public int Root(int x)
        {
            if (_par[x] == x) return x;
            return _par[x] = Root(_par[x]);
        }
        public int Size(int x)
        {
            if (_par[x] == x) return _size[x];
            return _size[x] = _size[Root(x)];
        }
        public bool IsSame(int x, int y) { return Root(x) == Root(y); }
        public void Unite(int x, int y)
        {
            int rx = Root(x);
            int ry = Root(y);
            if (rx != ry)
            {
                _par[ry] = rx;
                _size[rx] += _size[ry];
                _skill_max[rx] = Math.Max(_skill_max[rx], _skill_max[ry]);
                _skill_min[rx] = Math.Min(_skill_min[rx], _skill_min[ry]);
            }
        }
    }

    //int inf = 1 << 30;
    long inf = (long)1 << 60;
    int ri { get { return (int)sc.Integer(); } }
    long rl { get { return sc.Integer(); } }
    double rd { get { return sc.Double(); } }
    string rs { get { return sc.Scan(); } }
    public StreamScanner sc = new StreamScanner(Console.OpenStandardInput());

    void Write<T>(T t) { Console.WriteLine(t.ToString()); }
    void YN(bool t) { Console.WriteLine(t ? "YES" : "NO"); }
    void Yn(bool t) { Console.WriteLine(t ? "Yes" : "No"); }
    void yn(bool t) { Console.WriteLine(t ? "yes" : "no"); }
}



public class StreamScanner
{
    public StreamScanner(Stream stream) { str = stream; }
    private readonly Stream str;
    private readonly byte[] buf = new byte[1024];
    private int len, ptr;
    public bool isEof = false;
    public bool IsEndOfStream { get { return isEof; } }
    private byte read()
    {
        if (isEof) throw new EndOfStreamException();
        if (ptr >= len)
        {
            ptr = 0;
            if ((len = str.Read(buf, 0, 1024)) <= 0)
            {
                isEof = true;
                return 0;
            }
        }
        return buf[ptr++];
    }
    public char Char()
    {
        byte b = 0;
        do b = read();
        while (b < 33 || 126 < b);
        return (char)b;
    }
    public string Scan()
    {
        var sb = new StringBuilder();
        for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
            sb.Append(b);
        return sb.ToString();
    }
    public long Integer()
    {
        long ret = 0; byte b = 0; var ng = false;
        do b = read();
        while (b != '-' && (b < '0' || '9' < b));
        if (b == '-') { ng = true; b = read(); }
        for (; true; b = read())
        {
            if (b < '0' || '9' < b)
                return ng ? -ret : ret;
            else ret = ret * 10 + b - '0';
        }
    }
    public double Double() { return double.Parse(Scan()); }
}
0