結果

問題 No.335 門松宝くじ
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2016-01-16 00:05:12
言語 C#(csc)
(csc 3.9.0)
結果
WA  
実行時間 -
コード長 9,982 bytes
コンパイル時間 1,411 ms
コンパイル使用メモリ 118,304 KB
実行使用メモリ 29,988 KB
最終ジャッジ日時 2024-09-19 19:38:56
合計ジャッジ時間 3,133 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
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 21 ms
23,732 KB
testcase_01 AC 22 ms
23,780 KB
testcase_02 AC 20 ms
25,616 KB
testcase_03 AC 22 ms
23,692 KB
testcase_04 AC 22 ms
23,652 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 AC 80 ms
29,984 KB
testcase_08 AC 106 ms
29,732 KB
testcase_09 AC 111 ms
27,564 KB
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using Number = System.Int64;

namespace Program
{

    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var m = sc.Integer();
            var a = Enumerate(m, x => sc.Integer(n));
            long val = -1;
            var id = -1;
            for (int _ = 0; _ < m; _++)
            {
                var b = a[_];
                long v = 0;

                var L = new FenwickTree(n);

                /*
                {
                    var u = 0;
                    for (int i = 1; i <= n; i++)
                    {
                        for (int j = i + 1; j <= n; j++)
                        {
                            var p = Array.IndexOf(b, i);
                            var q = Array.IndexOf(b, j);
                            var ok = false;
                            for (int k = 0; k < n; k++)
                            {
                                if (k == p) continue;
                                if (k == q) continue;
                                var idx = new int[] { p, q, k };
                                Array.Sort(idx);
                                if (ISOTAKUDAIGAKU(b[idx[0]], b[idx[1]], b[idx[2]]))
                                {
                                    ok = true;
                                    break;
                                }
                            }
                            if (ok)
                            {
                                Debug.WriteLine("{0} {1}", Math.Min(p, q), Math.Max(p, q));

                                u++;
                            }
                        }
                    }
                    Debug.WriteLine(u);
                }

                */
                for (int i = 0; i < n; i++)
                {
                    var M = new FenwickTree(n);
                    for (int j = i + 1; j < n; j++)
                        M.Add(b[j], 1);


                    var R = new FenwickTree(n);
                    for (int j = n - 1; j > i; j--)
                    {
                        M.Add(b[j], -1);
                        var min = Math.Min(b[i], b[j]);
                        var max = Math.Max(b[i], b[j]);
                        if (j == 2)
                        {

                        }
                        if ((min > 1 && M[1, min - 1] > 0) || (M[max + 1, n] > 0))
                        {
                            Debug.WriteLine("{0} {1}", i, j);

                            v++;
                        }
                        else
                        {
                            if (b[i] < b[j])
                            {
                                if (R[1, b[j] - 1] > 0)
                                {
                                    Debug.WriteLine("{0} {1}", i, j);

                                    v++;
                                }
                                else if (L[b[i] + 1, n] > 0)
                                {
                                    Debug.WriteLine("{0} {1}", i, j);

                                    v++;
                                }
                            }
                            else if (b[i] > b[j])
                            {
                                if (L[1, b[i] - 1] > 0)
                                {
                                    Debug.WriteLine("{0} {1}", i, j);

                                    v++;
                                }
                                else if (R[b[j] + 1, n] > 0)
                                {
                                    Debug.WriteLine("{0} {1}", i, j);

                                    v++;
                                }

                            }
                        }

                        R.Add(b[j], 1);
                    }
                    L.Add(b[i], 1);

                }
                Debug.WriteLine(v);
                if (val < v)
                {
                    val = v;
                    id = _;
                }

            }
            IO.Printer.Out.WriteLine(id);

        }
        public bool ISOTAKUDAIGAKU(long l, long m, long r)
        {
            var a = new long[] { l, m, r };
            return ISOTAKUDAIGAKU(a);
        }
        public bool ISOTAKUDAIGAKU(long[] a)
        {
            if (a.Length != 3) return false;
            if (a.Distinct().Count() != 3) return false;
            if (a[0] < a[1] && a[1] > a[2]) return true;
            if (a[0] > a[1] && a[1] < a[2]) return true;
            return false;
        }

        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }

    }
}

#region main
static class Ex
{
    static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
    static public void Main()
    {
        var solver = new Program.Solver();
        solver.Solve();
        Program.IO.Printer.Out.Flush();
    }
}
#endregion
#region Ex
namespace Program.IO
{
    using System.IO;
    using System.Text;
    using System.Globalization;
    public class Printer : StreamWriter
    {
        static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; }
        public static Printer Out { get; set; }
        public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
        public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
        public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { }
        public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); }
        public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
    }
    public class StreamScanner
    {
        public StreamScanner(Stream stream) { str = stream; }
        public 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) return 0;
            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) && !isEof); 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 string ScanLine()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n'; b = (char)read())
                if (b == 0) break;
                else if (b != '\r') sb.Append(b);
            return sb.ToString();
        }
        public long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != 0 && b != '-' && (b < '0' || '9' < b));
            if (b == 0) return long.MinValue;
            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 int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
        public double Double() { var s = Scan(); return s != "" ? double.Parse(Scan(), CultureInfo.InvariantCulture) : double.NaN; }
        private T[] enumerate<T>(int n, Func<T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f();
            return a;
        }

        public char[] Char(int n) { return enumerate(n, Char); }
        public string[] Scan(int n) { return enumerate(n, Scan); }
        public double[] Double(int n) { return enumerate(n, Double); }
        public int[] Integer(int n) { return enumerate(n, Integer); }
        public long[] Long(int n) { return enumerate(n, Long); }
    }
}
#endregion
#region FenwickTree
[System.Diagnostics.DebuggerDisplay("Data={ToString()}")]
public class FenwickTree
{
    int n;
    long[] bit;
    int max = 1;
    public FenwickTree(int size)
    {
        n = size; bit = new long[n + 1];
        while ((max << 1) <= n) max <<= 1;
    }
    /// <summary>sum[a,b]</summary>
    public long this[int i, int j] { get { return this[j] - this[i - 1]; } }
    /// <summary>sum[0,i]</summary>
    public long this[int i] { get { long s = 0; for (; i > 0; i -= i & -i) s += bit[i]; return s; } }
    public int LowerBound(long w)
    {
        if (w <= 0) return 0;
        int x = 0;
        for (int k = max; k > 0; k >>= 1)
            if (x + k <= n && bit[x + k] < w)
            {
                w -= bit[x + k];
                x += k;
            }
        return x + 1;
    }
    /// <summary>add v to bit[i]</summary>
    public void Add(int i, long v)
    {
        if (i == 0) System.Diagnostics.Debug.Fail("BIT is 1 indexed");
        for (; i <= n; i += i & -i) bit[i] += v;
    }
    public override string ToString() { return string.Join(",", Enumerable.Range(0, n + 1).Select(i => this[i, i])); }
}
#endregion
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