結果
問題 | No.2911 位相の公理 |
ユーザー |
|
提出日時 | 2024-10-04 23:10:37 |
言語 | C# (.NET 8.0.404) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,850 bytes |
コンパイル時間 | 7,519 ms |
コンパイル使用メモリ | 165,908 KB |
実行使用メモリ | 190,972 KB |
最終ジャッジ日時 | 2024-10-04 23:10:55 |
合計ジャッジ時間 | 13,188 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 21 WA * 3 |
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 ms)。 MSBuild のバージョン 17.9.6+a4ecab324 (.NET) 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
namespace AtCoder;#nullable enableusing System.Numerics;static class Extensions{public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray();}class ExtendedBitMatrix{public const int d = 64;ulong[] ML { get; init; } = new ulong[d];ulong[] MR { get; init; } = new ulong[d];static bool OfFlag(ulong x, int i) => ((x >> i) & 1) > 0;public ulong L(int i) => ML[i];public ulong R(int i) => MR[i];public void AddR(int i, ulong r) { MR[i] ^= r; }public bool L(int i, int j) => OfFlag(ML[i], j);public bool R(int i, int j) => OfFlag(MR[i], j);public void SetR(int i, int j, bool v){var f = 1UL << j;if (v) MR[i] |= f; else MR[i] &= ~f;}public int Add(ulong l, ulong r){(l, r) = Make(l, r);if (l == 0) return -1;var (ml, mr) = (ML, MR);for (var i = d - 1; i >= 0; i--){if (!OfFlag(l, i)) continue;(ml[i], mr[i]) = (l, r);for (var j = 0; j < d; j++){if (j == i || !OfFlag(ml[j], i)) continue;ml[j] ^= l;mr[j] ^= r;}return i;}return -1;}// try to make l with bases// return sum of rows on MR if possiblepublic ulong? Make(ulong l){var (nl, r) = Make(l, 0);return nl == 0 ? r : null;}(ulong, ulong) Make(ulong l, ulong r){var (ml, mr) = (ML, MR);for (var i = d - 1; i >= 0; i--){if (!OfFlag(l, i) || !OfFlag(ml[i], i)) continue;l ^= ml[i];r ^= mr[i];}return (l, r);}}class AtCoder{object? Solve(){var n = Int();var m = Int();var sz = m.Repeat(() => Convert.ToUInt64(String(), 2));var sh = new HashSet<ulong>(sz);if (!sh.Contains((1UL << n) - 1)) return false;var andz = new HashSet<ulong>();foreach (var s1 in sz) foreach (var s2 in sz) if (!sh.Contains(s1 & s1)) return false;var matrix = new ExtendedBitMatrix();foreach (var s in sz) matrix.Add(s, 0);var sss = new HashSet<ulong>();sss.Add(0);for (var i = 0; i < 64; i++){var b = matrix.L(i);if (b == 0) continue;var nss = new HashSet<ulong>();foreach (var bs in sss){nss.Add(bs);nss.Add(bs | b);}sss = nss;}foreach (var b in sss) if (!sh.Contains(b)) return false;return true;}public static void Main() => new AtCoder().Run();public void Run(){var res = Solve();if (res != null){if (res is bool yes) res = yes ? "Yes" : "No";sw.WriteLine(res);}sw.Flush();}string[] input = Array.Empty<string>();int iter = 0;readonly StreamWriter sw = new(Console.OpenStandardOutput()) { AutoFlush = false };string String(){while (iter >= input.Length) (input, iter) = (Console.ReadLine()!.Trim().Split(' '), 0);return input[iter++];}T Input<T>() where T : IParsable<T> => T.Parse(String(), null);int Int() => Input<int>();void Out(object? x, string? separator = null){separator ??= Environment.NewLine;if (x is System.Collections.IEnumerable obj and not string){var firstLine = true;foreach (var item in obj){if (!firstLine) sw.Write(separator);firstLine = false;sw.Write(item);}}else sw.Write(x);sw.WriteLine();}}