結果
問題 |
No.287 場合の数
|
ユーザー |
![]() |
提出日時 | 2019-05-12 16:52:41 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 27 ms / 5,000 ms |
コード長 | 3,362 bytes |
コンパイル時間 | 3,295 ms |
コンパイル使用メモリ | 112,840 KB |
実行使用メモリ | 18,304 KB |
最終ジャッジ日時 | 2024-07-04 18:15:13 |
合計ジャッジ時間 | 3,943 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 22 |
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.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; partial class Solver { long?[,] memo = new long?[1000, 10]; long Solve(int remain, int depth, int n) { if (depth == 8) { return remain == 0 ? 1 : 0; } if (remain < 0) return 0; if (!memo[remain, depth].HasValue) { long val = 0; for (int i = 0; i <= n; i++) { val += Solve(remain - i, depth + 1, n); } memo[remain, depth] = val; } return memo[remain, depth].Value; } public void Run() { var n = ni(); cout.WriteLine(Solve(6 * n, 0, n)); } } // PREWRITEN CODE BEGINS FROM HERE partial class Solver : Scanner { public static void Main(string[] args) { new Solver(Console.In, Console.Out).Run(); } TextReader cin; TextWriter cout; public Solver(TextReader reader, TextWriter writer) : base(reader) { this.cin = reader; this.cout = writer; } public Solver(string input, TextWriter writer) : this(new StringReader(input), writer) { } public int ni() { return NextInt(); } public int[] ni(int n) { return NextIntArray(n); } public long nl() { return NextLong(); } public long[] nl(int n) { return NextLongArray(n); } public double nd() { return NextDouble(); } public string ns() { return Next(); } public string[] ns(int n) { return NextArray(n); } } public class Scanner { private TextReader Reader; private Queue<String> TokenQueue = new Queue<string>(); private CultureInfo ci = CultureInfo.InvariantCulture; public Scanner() : this(Console.In) { } public Scanner(TextReader reader) { this.Reader = reader; } public int NextInt() { return Int32.Parse(Next(), ci); } public long NextLong() { return Int64.Parse(Next(), ci); } public double NextDouble() { return double.Parse(Next(), ci); } public string[] NextArray(int size) { var array = new string[size]; for (int i = 0; i < size; i++) array[i] = Next(); return array; } public int[] NextIntArray(int size) { var array = new int[size]; for (int i = 0; i < size; i++) array[i] = NextInt(); return array; } public long[] NextLongArray(int size) { var array = new long[size]; for (int i = 0; i < size; i++) array[i] = NextLong(); return array; } public String Next() { if (TokenQueue.Count == 0) { if (!StockTokens()) throw new InvalidOperationException(); } return TokenQueue.Dequeue(); } public bool HasNext() { if (TokenQueue.Count > 0) return true; return StockTokens(); } private bool StockTokens() { while (true) { var line = Reader.ReadLine(); if (line == null) return false; var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries); if (tokens.Length == 0) continue; foreach (var token in tokens) TokenQueue.Enqueue(token); return true; } } }