結果
問題 | No.3030 ミラー・ラビン素数判定法のテスト |
ユーザー | iwkjosec |
提出日時 | 2021-01-07 13:12:15 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 4,134 bytes |
コンパイル時間 | 1,123 ms |
コンパイル使用メモリ | 117,260 KB |
実行使用メモリ | 23,392 KB |
最終ジャッジ日時 | 2024-11-18 19:13:56 |
合計ジャッジ時間 | 3,537 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | WA | - |
testcase_01 | AC | 23 ms
17,280 KB |
testcase_02 | AC | 24 ms
17,792 KB |
testcase_03 | AC | 24 ms
17,408 KB |
testcase_04 | AC | 325 ms
19,456 KB |
testcase_05 | AC | 317 ms
19,328 KB |
testcase_06 | AC | 154 ms
19,328 KB |
testcase_07 | AC | 154 ms
19,456 KB |
testcase_08 | AC | 158 ms
19,456 KB |
testcase_09 | AC | 552 ms
19,456 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.Collections.Generic; using System.Linq; using static System.Console; using static System.Math; class Program { static void Main() { var n = long.Parse(ReadLine()); for (int i = 0; i < n; i++) { var x = long.Parse(ReadLine()); WriteLine(x.ToString() + " " + (MillerRabin(x) ? "1" : "0")); } } static uint[] l = new uint[] { 2, 325, 9375, 28178, 450775, 9780504, 1795265022 }; static bool MillerRabin(long n) { if (n < 2) return false; if (n % 2 == 0) return n == 2; var d = n - 1; var s = 0; while (d % 2 == 0) { s++; d >>= 1; } var dd = (ulong)d; var nn = (ulong)n; for (int i = 0; i < l.Length && l[i] < n; i++) { var a = l[i]; var c = true; var x = ModPow(a, dd, nn); if (x == 1) c = false; for (int r = 0; r < s; r++) { if (x == nn - 1) c = false; x = ModMul(x , x, nn); } if (c) return false; } return true; } static ulong BigMul(ulong a, ulong b, out ulong low) { uint al = (uint)a; uint ah = (uint)(a >> 32); uint bl = (uint)b; uint bh = (uint)(b >> 32); ulong mull = ((ulong)al) * bl; ulong t = ((ulong)ah) * bl + (mull >> 32); ulong tl = ((ulong)al) * bh + (uint)t; low = tl << 32 | (uint)mull; return ((ulong)ah) * bh + (t >> 32) + (tl >> 32); } static ulong ModPow(ulong x, ulong n, ulong m) { var res = 1ul; while (n != 0) { if ((n & 1) == 1) res = ModMul(res, x, m); x = ModMul(x, x, m); n >>= 1; } return res; } static ulong ModMul(ulong l, ulong r, ulong mod) { unchecked { if (mod <= uint.MaxValue) return l % mod * (r % mod) % mod; var high = BigMul(l, r, out var low) % mod; if (high == 0ul) return low % mod; var lzc = 0; if (0 <= (long)mod) { lzc = LeadingZeroCount(mod); mod <<= lzc; high = (high << lzc) | (low >> (64 - lzc)); low <<= lzc; } var mh = mod >> 32; var ml = (ulong)(uint)mod; var q = high / mh; var p = q * ml; high -= q * mh; high = (high << 32) | (low >> 32); if (high < p) { high += mod; if (high >= mod && high < p) { high += mod; } } high -= p; q = high / mh; p = q * ml; high -= q * mh; high = (high << 32) | (uint)low; if (high < p) { high += mod; if (high >= mod && high < p) { high += mod; } } return (high - p) >> lzc; } } public static int LeadingZeroCount(uint value) { if (value == 0) { return 32; } return 31 ^ Log2SoftwareFallback(value); } public static int LeadingZeroCount(ulong value) { uint hi = (uint)(value >> 32); if (hi == 0) { return 32 + LeadingZeroCount((uint)value); } return LeadingZeroCount(hi); } private static int Log2SoftwareFallback(uint value) { value |= value >> 01; value |= value >> 02; value |= value >> 04; value |= value >> 08; value |= value >> 16; return Log2DeBruijn[(int)((value * 0x07C4ACDDu) >> 27)]; } private static ReadOnlySpan<byte> Log2DeBruijn => new byte[32] { 00, 09, 01, 10, 13, 21, 02, 29, 11, 14, 16, 18, 22, 25, 03, 30, 08, 12, 20, 28, 15, 17, 24, 07, 19, 27, 23, 06, 26, 05, 04, 31 }; }