結果
| 問題 |
No.282 おもりと天秤(2)
|
| コンテスト | |
| ユーザー |
紙ぺーぱー
|
| 提出日時 | 2015-08-23 16:35:11 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
TLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 6,956 bytes |
| コンパイル時間 | 1,056 ms |
| コンパイル使用メモリ | 112,768 KB |
| 実行使用メモリ | 46,852 KB |
| 平均クエリ数 | 432.96 |
| 最終ジャッジ日時 | 2024-07-16 21:13:48 |
| 合計ジャッジ時間 | 39,921 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 23 TLE * 1 |
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
using System;
using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
namespace Program
{
public class Solver
{
public void Solve()
{
var n = int.Parse(Console.ReadLine());
var m = 1;
while (m < n) m <<= 1;
var a = new int?[m << 1];
var cnt = new int[m << 1];
for (int i = 0; i < n; i++)
{
a[i + m] = i + 1;
cnt[i + m] = 1;
}
for (int i = m - 1; i >= 1; i--)
cnt[i] = cnt[i * 2] + cnt[i * 2 + 1];
var ans = new List<int>();
while (ans.Count < n)
{
var q = new int[2 * n];
var pass = new int[a.Length];
var p = 0;
for (int i = m - 1; i >= 1; i--)
{
int l = i * 2, r = i * 2 + 1;
if (a[i] != null)
{
if (i == 1 && ((a[l].HasValue && a[r].HasValue) || cnt[l] == 0 || cnt[r] == 0)) ;
else { pass[i] = -1; continue; }
}
if (a[l] == null && a[r] == null) { pass[i] = 3; continue; }
else if (a[l] == null) { pass[i] = 2; continue; }
else if (a[r] == null) { pass[i] = 1; continue; }
q[p++] = a[l].Value;
q[p++] = a[r].Value;
pass[i] = 4;
}
string[] res = null;
if (p != 0)
{
Console.WriteLine("? {0}", q.AsJoinedString());
res = Console.ReadLine().Split();
p = 0;
}
for (int i = m - 1; i >= 1; i--)
{
int l = i * 2, r = i * 2 + 1;
if (pass[i] == -1) ;
else if (pass[i] == 3) ;
else if (pass[i] == 2) { a[i] = a[r]; a[r] = null; cnt[r]--; }
else if (pass[i] == 1) { a[i] = a[l]; a[l] = null; cnt[l]--; }
else if (pass[i] == 4)
{
if (res[p] == "<") { a[i] = a[l]; a[l] = null; cnt[l]--; }
else if (res[p] == ">") { a[i] = a[r]; a[r] = null; cnt[r]--; }
else throw new Exception();
p++;
}
else throw new Exception();
if (i == 1 && a[i].HasValue)
{
if (ans.Count == 0 || ans.Last() != a[i].Value)
ans.Add(a[i].Value);
}
}
Debug.WriteLine(a.Select(x => x ?? -1).AsJoinedString());
}
Console.WriteLine("! {0}", ans.AsJoinedString());
}
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 != '-' && (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 int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
public double Double() { return double.Parse(Scan(), CultureInfo.InvariantCulture); }
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
紙ぺーぱー