#344094 (C#(csc)) No.274 The Wall

• 問題: No.274 The Wall
• ユーザー: EmKjp
• 提出日時: 2019-05-01 13:30:26
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 28 ms / 2,000 ms
• コード長: 3,343 bytes
• コンパイル時間: 2,477 ms
• コンパイル使用メモリ: 113,812 KB
• 実行使用メモリ: 27,140 KB
• 最終ジャッジ日時: 2024-06-22 02:27:02
• 合計ジャッジ時間: 3,741 ms
• ジャッジサーバーID （参考情報）: judge1 / judge4

ファイルパターン	結果
sample	AC * 4
other	AC * 22

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

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using System;
using System.IO;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
partial class Solver
{
    public void Run()
    {
        var N = ni();
        var M = ni();
        var L = new int[N];
        var R = new int[N];
        for (int i = 0; i < N; i++)
        {
            L[i] = ni();
            R[i] = ni();
        }
        var hist = new int[M + 1];
        for (int i = 0; i < N; i++)
        {
            hist[L[i]]++;
            hist[R[i] + 1]--;
            hist[(M - 1 - R[i])]++;
            hist[(M - 1 - L[i]) + 1]--;
        }
        for (int i = 1; i <= M; i++) hist[i] += hist[i - 1];
        cout.WriteLine(hist.Max() <= 2 ? "YES" : "NO");
    }
}
// PREWRITEN CODE BEGINS FROM HERE
partial class Solver : Scanner
{
    public static void Main(string[] args)
    {
        new Solver(Console.In, Console.Out).Run();
    }
    TextReader cin;
    TextWriter cout;
    public Solver(TextReader reader, TextWriter writer)
        : base(reader)
    {
        this.cin = reader;
        this.cout = writer;
    }
    public Solver(string input, TextWriter writer)
        : this(new StringReader(input), writer)
    {
    }
    public int ni() { return NextInt(); }
    public int[] ni(int n) { return NextIntArray(n); }
    public long nl() { return NextLong(); }
    public long[] nl(int n) { return NextLongArray(n); }
    public double nd() { return NextDouble(); }
    public string ns() { return Next(); }
    public string[] ns(int n) { return NextArray(n); }
}
public class Scanner
{
    private TextReader Reader;
    private Queue<String> TokenQueue = new Queue<string>();
    private CultureInfo ci = CultureInfo.InvariantCulture;
    public Scanner()
        : this(Console.In)
    {
    }
    public Scanner(TextReader reader)
    {
        this.Reader = reader;
    }
    public int NextInt() { return Int32.Parse(Next(), ci); }
    public long NextLong() { return Int64.Parse(Next(), ci); }
    public double NextDouble() { return double.Parse(Next(), ci); }
    public string[] NextArray(int size)
    {
        var array = new string[size];
        for (int i = 0; i < size; i++) array[i] = Next();
        return array;
    }
    public int[] NextIntArray(int size)
    {
        var array = new int[size];
        for (int i = 0; i < size; i++) array[i] = NextInt();
        return array;
    }
    public long[] NextLongArray(int size)
    {
        var array = new long[size];
        for (int i = 0; i < size; i++) array[i] = NextLong();
        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 bool StockTokens()
    {
        while (true)
        {
            var line = Reader.ReadLine();
            if (line == null) return false;
            var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
            if (tokens.Length == 0) continue;
            foreach (var token in tokens)
                TokenQueue.Enqueue(token);
            return true;
        }
    }
}
 
 
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