結果
問題 | No.97 最大の値を求めるくえり |
ユーザー |
![]() |
提出日時 | 2015-06-14 23:43:07 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,725 ms / 5,000 ms |
コード長 | 3,904 bytes |
コンパイル時間 | 810 ms |
コンパイル使用メモリ | 115,204 KB |
実行使用メモリ | 36,928 KB |
最終ジャッジ日時 | 2024-07-06 20:47:26 |
合計ジャッジ時間 | 6,866 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 |
---|---|
other | AC * 19 |
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.IO;using System.Linq;using System.Text;using System.Collections.Generic;using System.Diagnostics;using System.Numerics;using Enu = System.Linq.Enumerable;class Program{static readonly int Mod = 100003;public void Solve(){int N = Reader.Int(), Q = Reader.Int();var Qs = Reader.IntArray(Q);var random = new XorShift();var A = Enu.Range(0, N).Select(i => random.Next(Mod)).ToArray();A = A.Distinct().ToArray();int Thre = (int)Math.Sqrt(Mod);var ans = new StringBuilder();if (A.Length < Thre){foreach (int q in Qs){long max = -1;foreach (long a in A) max = Math.Max(max, a * q % Mod);ans.AppendLine(max + "");}}else{bool[] has = new bool[Mod];foreach (var a in A) has[a] = true;foreach (int q in Qs){if (q == 0) { ans.AppendLine("0"); continue; }long qInv = ModPower(q, Mod - 2, Mod);for (int x = Mod - 1; x >= 0; x--)if (has[x * qInv % Mod]){ans.AppendLine(x + "");break;}}}Console.Write(ans);}static long ModPower(long x, long n, long mod) // x ^ n{long res = 1;while (n > 0){if ((n & 1) == 1) { res = (res * x) % mod; }x = (x * x) % mod;n >>= 1;}return res;}public class XorShift{private uint x = 123456789, y = 362436069, z = 521288629, w = 88675123;public uint Next(){uint t;t = (x ^ (x << 11));x = y; y = z; z = w;return (w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)));}public int Next(int Max){return (int)(Next() % Max);}public double NextDouble(){return (double)Next() / uint.MaxValue;}}}class Entry { static void Main() { new Program().Solve(); } }class Reader{private static TextReader reader = Console.In;private static readonly char[] separator = { ' ' };private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;private static string[] A = new string[0];private static int i;private static void Init() { A = new string[0]; }public static void Set(TextReader r) { reader = r; Init(); }public static void Set(string file) { reader = new StreamReader(file); Init(); }public static bool HasNext() { return CheckNext(); }public static string String() { return Next(); }public static int Int() { return int.Parse(Next()); }public static long Long() { return long.Parse(Next()); }public static double Double() { return double.Parse(Next()); }public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }public static string Line() { return reader.ReadLine().Trim(); }private static string[] Split(string s) { return s.Split(separator, op); }private static string Next() { CheckNext(); return A[i++]; }private static bool CheckNext(){if (i < A.Length) return true;string line = reader.ReadLine();if (line == null) return false;if (line == "") return CheckNext();A = Split(line);i = 0;return true;}}