結果
問題 | No.97 最大の値を求めるくえり |
ユーザー | eitaho |
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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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 | AC | 27 ms
23,352 KB |
testcase_01 | AC | 37 ms
29,540 KB |
testcase_02 | AC | 315 ms
33,868 KB |
testcase_03 | AC | 1,725 ms
31,812 KB |
testcase_04 | AC | 82 ms
33,480 KB |
testcase_05 | AC | 85 ms
31,692 KB |
testcase_06 | AC | 91 ms
31,316 KB |
testcase_07 | AC | 137 ms
29,504 KB |
testcase_08 | AC | 184 ms
33,740 KB |
testcase_09 | AC | 280 ms
33,484 KB |
testcase_10 | AC | 370 ms
33,480 KB |
testcase_11 | AC | 284 ms
33,604 KB |
testcase_12 | AC | 243 ms
31,688 KB |
testcase_13 | AC | 212 ms
33,860 KB |
testcase_14 | AC | 162 ms
33,600 KB |
testcase_15 | AC | 133 ms
31,952 KB |
testcase_16 | AC | 125 ms
32,444 KB |
testcase_17 | AC | 119 ms
36,552 KB |
testcase_18 | AC | 121 ms
36,928 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.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; } }