結果
問題 | No.220 世界のなんとか2 |
ユーザー | EmKjp |
提出日時 | 2015-05-29 22:43:50 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 23 ms / 1,000 ms |
コード長 | 3,236 bytes |
コンパイル時間 | 901 ms |
コンパイル使用メモリ | 112,672 KB |
実行使用メモリ | 26,188 KB |
最終ジャッジ日時 | 2024-07-06 11:43:16 |
合計ジャッジ時間 | 2,213 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 23 ms
23,900 KB |
testcase_01 | AC | 22 ms
26,048 KB |
testcase_02 | AC | 21 ms
23,880 KB |
testcase_03 | AC | 21 ms
21,940 KB |
testcase_04 | AC | 22 ms
24,136 KB |
testcase_05 | AC | 20 ms
23,980 KB |
testcase_06 | AC | 20 ms
26,056 KB |
testcase_07 | AC | 21 ms
26,048 KB |
testcase_08 | AC | 20 ms
24,012 KB |
testcase_09 | AC | 20 ms
24,028 KB |
testcase_10 | AC | 21 ms
24,028 KB |
testcase_11 | AC | 21 ms
24,008 KB |
testcase_12 | AC | 23 ms
24,244 KB |
testcase_13 | AC | 20 ms
25,816 KB |
testcase_14 | AC | 21 ms
24,032 KB |
testcase_15 | AC | 20 ms
24,028 KB |
testcase_16 | AC | 21 ms
26,064 KB |
testcase_17 | AC | 20 ms
26,188 KB |
testcase_18 | AC | 20 ms
21,940 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.IO; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; partial class Solver { long?[, ,] memo; long dfs(int p, int sum, int exist3) { if (p == 0) { if (sum % 3 == 0 || exist3 == 1) return 1; return 0; } if (!memo[p, sum, exist3].HasValue) { long val = 0; for (int d = 0; d < 10; d++) { val += dfs(p - 1, (sum + d) % 3, (exist3 == 1 || d == 3) ? 1 : 0); } memo[p, sum, exist3] = val; } return memo[p, sum, exist3].Value; } public void Run() { var p = ni(); memo = new long?[20, 3, 2]; cout.WriteLine(dfs(p, 0, 0) - 1); } } // 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 string ns() { return Next(); } } 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; } } }