結果
問題 |
No.3171 Color Restoration
|
ユーザー |
|
提出日時 | 2025-06-06 22:20:02 |
言語 | C# (.NET 8.0.404) |
結果 |
AC
|
実行時間 | 59 ms / 2,000 ms |
コード長 | 2,826 bytes |
コンパイル時間 | 8,401 ms |
コンパイル使用メモリ | 171,392 KB |
実行使用メモリ | 28,696 KB |
最終ジャッジ日時 | 2025-06-06 22:20:15 |
合計ジャッジ時間 | 11,198 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 26 |
コンパイルメッセージ
復元対象のプロジェクトを決定しています... /home/judge/data/code/main.csproj を復元しました (91 ミリ秒)。 /home/judge/data/code/Main.cs(34,5): warning CS8321: ローカル関数 'Int' は宣言されていますが、一度も使用されていません [/home/judge/data/code/main.csproj] main -> /home/judge/data/code/bin/Release/net8.0/main.dll main -> /home/judge/data/code/bin/Release/net8.0/publish/
ソースコード
#nullable enable using System.Numerics; void Run() { var c1 = new HashSet<string>{ "gray","brown","green","cyan","blue","yellow","orange","red" }; var c2 = new HashSet<string>{ "gray","green","blue","yellow","red" }; var c3 = new HashSet<string>{ "gray","green","cyan","blue","violet","orange","red" }; var s = 3.Repeat(String); var p = new List<int>{ 0, 1, 2 }; var ans = new HashSet<string>(); while (p != null) { var s1 = s[p[0]]; var s2 = s[p[1]]; var s3 = s[p[2]]; if (c1.Contains(s1) && c2.Contains(s2) && c3.Contains(s3)) { ans.Add(s1 + " " + s2 + " " + s3); } p = p.NextPermutation(); } Out(ans.Count == 1 ? "Yes" : "No"); } #region var _io_ = new AtCoderIO(){ Backend = new() }; Run(); _io_.Backend.Flush(); string String() => _io_.Next(); int Int() => int.Parse(String()); void Out(object? x, string? sep = null) => _io_.Out(x, sep); class AtCoderIO { public required StandardIOBackend Backend { get; init; } ReadOnlyMemory<string> _input = Array.Empty<string>(); int _iter = 0; public string Next() { while (_iter >= _input.Length) (_input, _iter) = (Backend.ReadLine().Split(' '), 0); return _input.Span[_iter++]; } public void Out(object? x, string? separator = null) { if (x == null) return; separator ??= Environment.NewLine; if (x is System.Collections.IEnumerable a and not string) { var objects = a.Cast<object>(); if (separator == Environment.NewLine && !objects.Any()) return; x = string.Join(separator, objects); } Backend.WriteLine(x); } } class StandardIOBackend { readonly StreamReader _sr = new(Console.OpenStandardInput()); readonly StreamWriter _sw = new(Console.OpenStandardOutput()) { AutoFlush = false }; public string ReadLine() => _sr.ReadLine()!; public void WriteLine(object? value) => _sw.WriteLine(value); public void Flush() => _sw.Flush(); } #endregion static class Extensions { public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray(); public static List<T>? NextPermutation<T>(this IEnumerable<T> p) where T : IComparable<T> { var a = p.ToList(); var b = new List<T> { a[^1] }; for (var i = a.Count - 2; i >= 0; i--) { var t = a[i]; if (t.CompareTo(b[^1]) >= 0) b.Add(t); else { var k = 0; while (k < b.Count && b[k].CompareTo(t) <= 0) k++; (b[k], a[i]) = (t, b[k]); for (var j = 0; j < b.Count; j++) a[i + 1 + j] = b[j]; return a; } } return null; } }