結果

問題 No.73 helloworld
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2015-05-02 20:59:44
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 77 ms / 5,000 ms
コード長 5,955 bytes
コンパイル時間 2,332 ms
コンパイル使用メモリ 112,512 KB
実行使用メモリ 50,688 KB
最終ジャッジ日時 2024-06-29 01:55:00
合計ジャッジ時間 2,765 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
other AC * 14
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 #
プレゼンテーションモードにする

using System;
using System.Linq;
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 table = new CombinationTable(2500);
Func<int, int, long> nhm = (n, m) => table[n + m - 1, m];
var h = new int[26];
foreach (var x in "helloworld")
h[x - 'a']++;
var c = sc.Integer(26);
for (int i = 0; i < 26; i++)
if (c[i] < h[i])
{
IO.Printer.Out.WriteLine(0);
return;
}
var str = "helloworld".Distinct().ToArray();
var sum = c.Sum();
var len = 0;
foreach (var x in str)
len += c[x - 'a'];
long ans = 1;
ans *= table[c['h' - 'a'], 1];
ans *= table[c['e' - 'a'], 1];
long max = 0;
for (int i = 2; i < c['l' - 'a']; i++)
max = Math.Max(max, table[i, 2] * (c['l' - 'a'] - i));
ans *= max;
ans *= table[c['o' - 'a'] / 2, 1] * (c['o' - 'a'] - c['o' - 'a'] / 2);
ans *= table[c['w' - 'a'], 1];
ans *= table[c['r' - 'a'], 1];
ans *= table[c['d' - 'a'], 1];
//if (sum > len)
// ans *= nhm(sum - len, len + 1);
IO.Printer.Out.WriteLine(ans);
}
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 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, IEnumerable<T> source) { base.Write(format, source.OfType<object>().ToArray()); }
public void WriteLine<T>(string format, IEnumerable<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); 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 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); }
}
}
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 CombinationTable
public class CombinationTable
{
long[][] nCr;
public CombinationTable(int n)
{
nCr = new long[n + 1][];
for (int i = 0; i <= n; i++)
nCr[i] = new long[i + 2];
nCr[0][0] = 1;
for (int i = 1; i <= n; i++)
for (int j = 0; j <= i; j++)
if (j > 0)
nCr[i][j] = nCr[i - 1][j - 1] + nCr[i - 1][j];
else nCr[i][j] = 1;
}
public long this[int n, int r]
{
get
{
if (n <= 0 || n > nCr.Length)
throw new IndexOutOfRangeException("n<=0 || n>N ");
if (r <= 0 || r > n)
throw new IndexOutOfRangeException("r<=0 ||r>n");
return nCr[n][r];
}
}
}
#endregion
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