結果
問題 | No.334 門松ゲーム |
ユーザー | 紙ぺーぱー |
提出日時 | 2016-01-15 22:42:00 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 31 ms / 2,000 ms |
コード長 | 6,507 bytes |
コンパイル時間 | 940 ms |
コンパイル使用メモリ | 116,792 KB |
実行使用メモリ | 26,996 KB |
最終ジャッジ日時 | 2024-09-19 19:19:05 |
合計ジャッジ時間 | 1,985 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 26 ms
24,804 KB |
testcase_01 | AC | 25 ms
24,548 KB |
testcase_02 | AC | 26 ms
23,088 KB |
testcase_03 | AC | 26 ms
26,840 KB |
testcase_04 | AC | 25 ms
26,856 KB |
testcase_05 | AC | 26 ms
24,804 KB |
testcase_06 | AC | 27 ms
24,928 KB |
testcase_07 | AC | 27 ms
25,008 KB |
testcase_08 | AC | 28 ms
24,936 KB |
testcase_09 | AC | 27 ms
25,056 KB |
testcase_10 | AC | 31 ms
26,996 KB |
testcase_11 | AC | 27 ms
24,704 KB |
testcase_12 | AC | 25 ms
24,928 KB |
testcase_13 | AC | 25 ms
26,888 KB |
testcase_14 | AC | 25 ms
25,060 KB |
testcase_15 | AC | 27 ms
26,840 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; using Number = System.Int64; namespace Program { public class Solver { public void Solve() { var n = sc.Integer(); var a = sc.Integer(n); var dp = new int[1 << n]; for (int i = 0; i < 1 << n; i++) dp[i] = -1; Func<int, int> dfs = null; dfs = (mask) => { if (dp[mask] >= 0) return dp[mask]; for (int i = 0; i < n; i++) { if ((mask >> i & 1) == 1) continue; for (int j = i + 1; j < n; j++) { if ((mask >> j & 1) == 1) continue; for (int k = j + 1; k < n; k++) { if ((mask >> k & 1) == 1) continue; if (!ISOTAKUDAIGAKU(a[i], a[j], a[k])) continue; var nmask = mask | (1 << i) | (1 << j) | (1 << k); if (dfs(nmask) == 0) return dp[mask] = 1; } } } return dp[mask] = 0; }; var otaku = dfs(0); if (otaku == 0) { IO.Printer.Out.WriteLine(-1); return; } for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) for (int k = j + 1; k < n; k++) { var mask = (1 << i) | (1 << j) | (1 << k); if (dp[mask] == 0) { IO.Printer.Out.WriteLine("{0} {1} {2}", i, j, k); } } } public bool ISOTAKUDAIGAKU(long l, long m, long r) { var a = new long[] { l, m, r }; return ISOTAKUDAIGAKU(a); } public bool ISOTAKUDAIGAKU(long[] a) { if (a.Length != 3) return false; if (a.Distinct().Count() != 3) return false; if (a[0] < a[1] && a[1] > a[2]) return true; if (a[0] > a[1] && a[1] < a[2]) return true; return false; } 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 != 0 && b != '-' && (b < '0' || '9' < b)); if (b == 0) return long.MinValue; 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() { var s = Scan(); return s != "" ? double.Parse(Scan(), CultureInfo.InvariantCulture) : double.NaN; } 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