#219742 (C#(csc)) No.601 Midpoint Erase

• 問題: No.601 Midpoint Erase
• ユーザー: mban
• 提出日時: 2017-12-01 18:20:00
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 115 ms / 2,000 ms
• コード長: 2,512 bytes
• コンパイル時間: 3,767 ms
• コンパイル使用メモリ: 107,564 KB
• 実行使用メモリ: 23,992 KB
• 最終ジャッジ日時: 2024-12-23 03:20:38
• 合計ジャッジ時間: 3,470 ms
• ジャッジサーバーID （参考情報）: judge4 / judge5

ファイルパターン	結果
sample	AC * 3
other	AC * 23

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.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
class Scanner
{
    private readonly char Separator = ' ';
    private int Index = 0;
    private string[] Line = new string[0];
    public string Next()
    {
        if (Index >= Line.Length)
        {
            Line = Console.ReadLine().Split(Separator);
            Index = 0;
        }
        var ret = Line[Index];
        Index++;
        return ret;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
    public string[] StringArray()
    {
        Line = Console.ReadLine().Split(Separator);
        Index = Line.Length;
        return Line;
    }
    public int[] IntArray()
    {
        var l = StringArray();
        var res = new int[l.Length];
        for (int i = 0; i < l.Length; i++)
        {
            res[i] = int.Parse(l[i]);
        }
        return res;
    }
    public long[] LongArray()
    {
        var l = StringArray();
        var res = new long[l.Length];
        for (int i = 0; i < l.Length; i++)
        {
            res[i] = long.Parse(l[i]);
        }
        return res;
    }
}
struct P
{
    public int X, Y;
    public P(int x, int y)
    {
        X = x;
        Y = y;
    }
}
class Program
{
    private int N;
    private P[] XY;
    private void Scan()
    {
        var sc = new Scanner();
        N = sc.NextInt();
        XY = new P[N];
        for (int i = 0; i < N; i++)
        {
            int x = sc.NextInt();
            int y = sc.NextInt();
            XY[i] = new P(x, y);
        }
    }
    public void Solve()
    {
        Scan();
        int a = 0;
        int b = 0;
        int c = 0;
        int d = 0;
        foreach (var i in XY)
        {
            if (i.X % 2 == 0)
            {
                if (i.Y % 2 == 0)
                {
                    a++;
                }
                else
                {
                    b++;
                }
            }
            else
            {
                if (i.Y % 2 == 0)
                {
                    c++;
                }
                else
                {
                    d++;
                }
            }
        }
        var cnt = (a / 2) + (b / 2) + (c / 2) + (d / 2);
        Console.WriteLine(cnt % 2 == 0 ? "Bob" : "Alice");
    }
    static void Main(string[] args)
    {
        new Program().Solve();
    }
}
 
 
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