結果

問題 No.945 YKC饅頭
ユーザー EmKjpEmKjp
提出日時 2019-12-11 23:09:34
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 283 ms / 2,000 ms
コード長 6,831 bytes
コンパイル時間 2,474 ms
コンパイル使用メモリ 108,076 KB
実行使用メモリ 37,432 KB
最終ジャッジ日時 2023-09-06 13:33:28
合計ジャッジ時間 14,224 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
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 58 ms
22,632 KB
testcase_01 AC 58 ms
22,688 KB
testcase_02 AC 57 ms
18,728 KB
testcase_03 AC 59 ms
22,732 KB
testcase_04 AC 58 ms
20,700 KB
testcase_05 AC 58 ms
20,692 KB
testcase_06 AC 58 ms
18,568 KB
testcase_07 AC 59 ms
22,828 KB
testcase_08 AC 59 ms
18,648 KB
testcase_09 AC 59 ms
20,620 KB
testcase_10 AC 59 ms
22,732 KB
testcase_11 AC 59 ms
22,736 KB
testcase_12 AC 59 ms
20,860 KB
testcase_13 AC 59 ms
20,584 KB
testcase_14 AC 59 ms
20,596 KB
testcase_15 AC 59 ms
20,684 KB
testcase_16 AC 58 ms
20,700 KB
testcase_17 AC 59 ms
20,724 KB
testcase_18 AC 58 ms
22,736 KB
testcase_19 AC 57 ms
22,616 KB
testcase_20 AC 59 ms
20,720 KB
testcase_21 AC 58 ms
20,624 KB
testcase_22 AC 59 ms
22,780 KB
testcase_23 AC 59 ms
20,804 KB
testcase_24 AC 58 ms
20,624 KB
testcase_25 AC 59 ms
20,628 KB
testcase_26 AC 59 ms
22,744 KB
testcase_27 AC 58 ms
18,820 KB
testcase_28 AC 58 ms
22,780 KB
testcase_29 AC 59 ms
18,740 KB
testcase_30 AC 59 ms
20,864 KB
testcase_31 AC 68 ms
18,708 KB
testcase_32 AC 66 ms
22,168 KB
testcase_33 AC 107 ms
28,148 KB
testcase_34 AC 173 ms
29,568 KB
testcase_35 AC 245 ms
35,636 KB
testcase_36 AC 218 ms
32,612 KB
testcase_37 AC 203 ms
31,984 KB
testcase_38 AC 186 ms
29,588 KB
testcase_39 AC 88 ms
26,616 KB
testcase_40 AC 85 ms
26,764 KB
testcase_41 AC 69 ms
23,812 KB
testcase_42 AC 226 ms
29,884 KB
testcase_43 AC 200 ms
29,832 KB
testcase_44 AC 203 ms
31,720 KB
testcase_45 AC 252 ms
32,904 KB
testcase_46 AC 63 ms
21,344 KB
testcase_47 AC 171 ms
29,780 KB
testcase_48 AC 86 ms
25,480 KB
testcase_49 AC 108 ms
29,728 KB
testcase_50 AC 261 ms
35,196 KB
testcase_51 AC 282 ms
37,432 KB
testcase_52 AC 280 ms
35,248 KB
testcase_53 AC 280 ms
35,264 KB
testcase_54 AC 279 ms
35,264 KB
testcase_55 AC 283 ms
35,256 KB
testcase_56 AC 68 ms
23,412 KB
testcase_57 AC 63 ms
25,464 KB
testcase_58 AC 215 ms
34,612 KB
testcase_59 AC 246 ms
35,964 KB
testcase_60 AC 131 ms
33,880 KB
testcase_61 AC 224 ms
35,176 KB
testcase_62 AC 217 ms
30,560 KB
testcase_63 AC 65 ms
25,556 KB
testcase_64 AC 137 ms
31,880 KB
testcase_65 AC 120 ms
27,104 KB
testcase_66 AC 118 ms
31,228 KB
testcase_67 AC 179 ms
33,272 KB
testcase_68 AC 134 ms
31,852 KB
testcase_69 AC 85 ms
30,436 KB
testcase_70 AC 89 ms
28,572 KB
testcase_71 AC 92 ms
28,612 KB
testcase_72 AC 154 ms
32,472 KB
testcase_73 AC 238 ms
33,340 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
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

diff #

using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;

using E = System.Linq.Enumerable;

internal partial class Solver {
    class Query {
        public int Left, Right, Id;
        public int Kind;
    }

    int ToIndex(string s) {
        if (s == "Y") return 0;
        if (s == "K") return 1;
        if (s == "C") return 2;
        throw new NotSupportedException();
    }

    public void Run() {
        var N = ni();
        var M = ni();

        var Q = new Query[M];

        for (int i = 0; i < M; i++) {
            var query = new Query {
                Id = i,
                Left = ni() - 1,
                Right = ni() - 1,
                Kind = ToIndex(ns()),
            };
            Q[i] = query;
        }

        var removed = new bool[N];
        var ans = new int[3];
        var d = new DisjointSet(N);

        foreach (var q in Q) {
            var current = q.Left;
            while (current <= q.Right) {
                if (removed[current]) {
                    current = d.right[d.Root(current)] + 1;
                } else {
                    ans[q.Kind]++;
                    removed[current] = true;
                    if (current - 1 >= 0 && removed[current - 1]) {
                        d.Unite(current - 1, current);
                    }
                    if (current + 1 < N && removed[current + 1]) {
                        d.Unite(current + 1, current);
                    }
                }
            }
        }

        cout.WriteLine(string.Join(" ", ans));
    }

}


public class DisjointSet {
    private readonly long[] group;
    public readonly int[] left;
    public readonly int[] right;
    public int GroupCount { get; private set; }
    public DisjointSet(int n, int[] size = null) {
        group = new long[n];
        left = new int[n];
        right = new int[n];
        Clear(size);
        GroupCount = n;
    }
    public bool Unite(int x, int y) {
        x = Root(x); y = Root(y);
        if (x == y) {
            return false;
        }

        if (group[y] < group[x]) {
            return Unite(y, x);
        }
        left[x] = Math.Min(left[x], left[y]);
        right[x] = Math.Max(right[x], right[y]);
        group[x] += group[y];
        group[y] = x;
        GroupCount--;
        return true;
    }
    public bool IsSameSet(int x, int y) { return Root(x) == Root(y); }
    public int Root(int x) { return group[x] < 0 ? x : (int)(group[x] = Root((int)group[x])); }
    public long Size(int x) { return -group[Root(x)]; }
    public void Clear(int[] size = null) {
        for (int i = 0; i < group.Length; i++) {
            group[i] = -(size == null ? 1 : size[i]);
            left[i] = i;
            right[i] = i;
        }
    }
};
// PREWRITEN CODE BEGINS FROM HERE
internal partial class Solver : Scanner {
    public static void Main(string[] args) {
#if LOCAL
        byte[] inputBuffer = new byte[1000000];
        var inputStream = Console.OpenStandardInput(inputBuffer.Length);
        using (var reader = new StreamReader(inputStream, Console.InputEncoding, false, inputBuffer.Length)) {
            Console.SetIn(reader);
            new Solver(Console.In, Console.Out).Run();
        }
#else
        Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        new Solver(Console.In, Console.Out).Run();
        Console.Out.Flush();
#endif
    }

#pragma warning disable IDE0052
    private readonly TextReader cin;
    private readonly TextWriter cout;
#pragma warning restore IDE0052

    public Solver(TextReader reader, TextWriter writer)
        : base(reader) {
        cin = reader;
        cout = writer;
    }
    public Solver(string input, TextWriter writer)
        : this(new StringReader(input), writer) {
    }

#pragma warning disable IDE1006
#pragma warning disable IDE0051
    private int ni() { return NextInt(); }
    private int[] ni(int n) { return NextIntArray(n); }
    private long nl() { return NextLong(); }
    private long[] nl(int n) { return NextLongArray(n); }
    private double nd() { return NextDouble(); }
    private double[] nd(int n) { return NextDoubleArray(n); }
    private string ns() { return Next(); }
    private string[] ns(int n) { return NextArray(n); }
#pragma warning restore IDE1006
#pragma warning restore IDE0051
}

internal static class LinqPadExtension {
    public static T Dump<T>(this T obj) {
#if LOCAL
        return LINQPad.Extensions.Dump(obj);
#else
        return obj;
#endif
    }
}

public class Scanner {
    private readonly TextReader Reader;
    private readonly Queue<string> TokenQueue = new Queue<string>();
    private readonly CultureInfo ci = CultureInfo.InvariantCulture;

    public Scanner()
        : this(Console.In) {
    }

    public Scanner(TextReader reader) {
        Reader = reader;
    }

    public int NextInt() { return int.Parse(Next(), ci); }
    public long NextLong() { return long.Parse(Next(), ci); }
    public double NextDouble() { return double.Parse(Next(), ci); }
    public string[] NextArray(int size) {
        string[] array = new string[size];
        for (int i = 0; i < size; i++) {
            array[i] = Next();
        }

        return array;
    }
    public int[] NextIntArray(int size) {
        int[] array = new int[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextInt();
        }

        return array;
    }

    public long[] NextLongArray(int size) {
        long[] array = new long[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextLong();
        }

        return array;
    }

    public double[] NextDoubleArray(int size) {
        double[] array = new double[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextDouble();
        }

        return array;
    }

    public string Next() {
        if (TokenQueue.Count == 0) {
            if (!StockTokens()) {
                throw new InvalidOperationException();
            }
        }
        return TokenQueue.Dequeue();
    }

    public bool HasNext() {
        if (TokenQueue.Count > 0) {
            return true;
        }

        return StockTokens();
    }

    private static readonly char[] _separator = new[] { ' ', '\t' };
    private bool StockTokens() {
        while (true) {
            string line = Reader.ReadLine();
            if (line == null) {
                return false;
            }

            string[] tokens = line.Split(_separator, StringSplitOptions.RemoveEmptyEntries);
            if (tokens.Length == 0) {
                continue;
            }

            foreach (string token in tokens) {
                TokenQueue.Enqueue(token);
            }

            return true;
        }
    }
}
0