結果
問題 | No.171 スワップ文字列(Med) |
ユーザー | 紙ぺーぱー |
提出日時 | 2015-03-22 23:31:42 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,564 bytes |
コンパイル時間 | 982 ms |
コンパイル使用メモリ | 110,720 KB |
実行使用メモリ | 21,760 KB |
最終ジャッジ日時 | 2024-06-29 00:11:53 |
合計ジャッジ時間 | 1,938 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 32 ms
21,760 KB |
testcase_01 | AC | 29 ms
21,632 KB |
testcase_02 | WA | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | WA | - |
testcase_06 | RE | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 26 ms
21,632 KB |
testcase_11 | AC | 26 ms
21,760 KB |
testcase_12 | AC | 27 ms
21,504 KB |
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.Collections.Generic; using Debug = System.Diagnostics.Debug; using StringBuilder = System.Text.StringBuilder; using System.Numerics; namespace Program { public class Solver { public void Solve() { var s = sc.Scan(); var h = new HashMap<int, int>(); const long mod = 573; var table = new CombinationTable(1000); foreach (var x in s) h[x - 'A']++; var cnt = 0; long ret = 0; foreach (var kv in h) { if (cnt == 0) { ret = 1; cnt = kv.Value; } else { ret = (ret * (table[cnt + 1, kv.Value] % mod)) % mod; cnt += kv.Value; } } IO.Printer.Out.WriteLine(ret - 1); } 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; } } } #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; } private 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 HashMap class HashMap<K, V> : Dictionary<K, V> { new public V this[K i] { get { V v; return TryGetValue(i, out v) ? v : base[i] = default(V); } set { base[i] = value; } } } #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