結果
問題 | No.2954 Calculation of Exponentiation |
ユーザー |
|
提出日時 | 2024-11-08 22:23:07 |
言語 | C# (.NET 8.0.404) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 3,079 bytes |
コンパイル時間 | 9,336 ms |
コンパイル使用メモリ | 167,452 KB |
実行使用メモリ | 188,248 KB |
最終ジャッジ日時 | 2024-11-08 22:23:21 |
合計ジャッジ時間 | 10,175 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 28 |
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 (89 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();public static long Root(this long x, int root = 2){var limits = new long[] { 0, 0, 3037000500L, 2097152, 55109, 6209, 1449, 512, 235, 128, 79, 53, 39 };if (x < 0 || root < 2 || root >= limits.Length) throw new Exception("not supported");var pass = 0L;var fail = limits[root];while (fail - pass > 1){var middle = (fail + pass) >> 1;var next = 1L;for (var i = 0; i < root; i++) next *= middle;if (next <= x) pass = middle; else fail = middle;}return pass;}}class AtCoder{object? Solve(){var d = 10000L;static long GCD(long x, long y) => y == 0 ? x : GCD(y, x % y);var ad = Input<decimal>();var bd = Input<decimal>();if (bd == 0) return true;var ap = (long)(ad * d);var aq = d;if (bd < 0) (ap, aq) = (aq, ap);if (aq != GCD(ap, aq)) return false;ap /= aq;var bp = (long)(bd * d);var div = GCD(Math.Abs(bp), d);var bq = d / div;if (bq == 1) return true;if (bq > 1000) return false;if (bq < 10){var r = Extensions.Root(ap, (int)bq);var o = 1L;for (var i = 0; i < bq; i++) o *= r;return o == ap;}{var r = 1L;while (true){Int128 o = 1L;for (var i = 0; i < bq; i++){if (o * r > long.MaxValue) return false;o *= r;}if ((long)o == ap) return true;r++;}}}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();}}