結果

問題 No.5004 Room Assignment
ユーザー KumaTachiRenKumaTachiRen
提出日時 2021-12-01 18:37:59
言語 C#
(.NET 8.0.203)
結果
AC  
実行時間 490 ms / 5,000 ms
コード長 5,305 bytes
コンパイル時間 8,263 ms
実行使用メモリ 44,776 KB
スコア 32,162,356
平均クエリ数 7649.45
最終ジャッジ日時 2021-12-01 18:39:01
合計ジャッジ時間 59,008 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge12
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このコードへのチャレンジ
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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 456 ms
43,012 KB
testcase_01 AC 448 ms
43,020 KB
testcase_02 AC 477 ms
42,672 KB
testcase_03 AC 462 ms
42,732 KB
testcase_04 AC 454 ms
42,968 KB
testcase_05 AC 467 ms
42,760 KB
testcase_06 AC 464 ms
43,108 KB
testcase_07 AC 451 ms
42,564 KB
testcase_08 AC 457 ms
42,900 KB
testcase_09 AC 453 ms
42,800 KB
testcase_10 AC 449 ms
42,964 KB
testcase_11 AC 453 ms
42,888 KB
testcase_12 AC 451 ms
42,812 KB
testcase_13 AC 453 ms
42,700 KB
testcase_14 AC 449 ms
42,568 KB
testcase_15 AC 454 ms
43,008 KB
testcase_16 AC 473 ms
42,632 KB
testcase_17 AC 453 ms
43,104 KB
testcase_18 AC 456 ms
42,652 KB
testcase_19 AC 460 ms
43,000 KB
testcase_20 AC 454 ms
43,092 KB
testcase_21 AC 457 ms
42,824 KB
testcase_22 AC 450 ms
42,860 KB
testcase_23 AC 455 ms
42,604 KB
testcase_24 AC 455 ms
42,948 KB
testcase_25 AC 456 ms
42,976 KB
testcase_26 AC 449 ms
42,952 KB
testcase_27 AC 448 ms
42,912 KB
testcase_28 AC 449 ms
42,740 KB
testcase_29 AC 458 ms
42,672 KB
testcase_30 AC 447 ms
43,100 KB
testcase_31 AC 451 ms
43,096 KB
testcase_32 AC 458 ms
42,980 KB
testcase_33 AC 452 ms
42,860 KB
testcase_34 AC 453 ms
42,892 KB
testcase_35 AC 452 ms
43,028 KB
testcase_36 AC 456 ms
43,092 KB
testcase_37 AC 447 ms
42,840 KB
testcase_38 AC 450 ms
43,160 KB
testcase_39 AC 457 ms
42,952 KB
testcase_40 AC 457 ms
42,812 KB
testcase_41 AC 454 ms
43,112 KB
testcase_42 AC 457 ms
43,252 KB
testcase_43 AC 456 ms
42,972 KB
testcase_44 AC 448 ms
43,144 KB
testcase_45 AC 476 ms
42,740 KB
testcase_46 AC 453 ms
43,112 KB
testcase_47 AC 461 ms
42,748 KB
testcase_48 AC 455 ms
42,936 KB
testcase_49 AC 459 ms
42,732 KB
testcase_50 AC 451 ms
44,776 KB
testcase_51 AC 456 ms
42,832 KB
testcase_52 AC 452 ms
43,064 KB
testcase_53 AC 452 ms
42,820 KB
testcase_54 AC 451 ms
42,656 KB
testcase_55 AC 455 ms
43,000 KB
testcase_56 AC 449 ms
42,808 KB
testcase_57 AC 452 ms
43,076 KB
testcase_58 AC 453 ms
42,960 KB
testcase_59 AC 464 ms
43,180 KB
testcase_60 AC 451 ms
43,092 KB
testcase_61 AC 455 ms
42,988 KB
testcase_62 AC 454 ms
43,048 KB
testcase_63 AC 469 ms
43,248 KB
testcase_64 AC 455 ms
43,032 KB
testcase_65 AC 451 ms
43,036 KB
testcase_66 AC 452 ms
42,596 KB
testcase_67 AC 453 ms
43,100 KB
testcase_68 AC 443 ms
42,796 KB
testcase_69 AC 459 ms
42,712 KB
testcase_70 AC 463 ms
42,760 KB
testcase_71 AC 460 ms
42,848 KB
testcase_72 AC 459 ms
43,044 KB
testcase_73 AC 452 ms
42,952 KB
testcase_74 AC 456 ms
42,952 KB
testcase_75 AC 476 ms
42,664 KB
testcase_76 AC 450 ms
43,028 KB
testcase_77 AC 459 ms
42,736 KB
testcase_78 AC 451 ms
42,564 KB
testcase_79 AC 457 ms
42,856 KB
testcase_80 AC 454 ms
43,360 KB
testcase_81 AC 453 ms
42,904 KB
testcase_82 AC 452 ms
42,632 KB
testcase_83 AC 453 ms
43,212 KB
testcase_84 AC 456 ms
43,568 KB
testcase_85 AC 453 ms
43,176 KB
testcase_86 AC 452 ms
43,380 KB
testcase_87 AC 476 ms
42,820 KB
testcase_88 AC 455 ms
44,628 KB
testcase_89 AC 456 ms
43,152 KB
testcase_90 AC 453 ms
43,272 KB
testcase_91 AC 459 ms
43,204 KB
testcase_92 AC 457 ms
43,180 KB
testcase_93 AC 490 ms
43,100 KB
testcase_94 AC 457 ms
43,044 KB
testcase_95 AC 455 ms
42,792 KB
testcase_96 AC 454 ms
42,744 KB
testcase_97 AC 454 ms
42,972 KB
testcase_98 AC 455 ms
43,332 KB
testcase_99 AC 484 ms
42,504 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 147 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.GetNewValue(j, s) - uf.GetNowValue(j) >= 0)
                    {
                        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()); }
}
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