結果
問題 | No.6 使いものにならないハッシュ |
ユーザー | くれちー |
提出日時 | 2017-08-16 23:25:59 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
RE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,710 bytes |
コンパイル時間 | 1,431 ms |
コンパイル使用メモリ | 116,536 KB |
実行使用メモリ | 27,880 KB |
最終ジャッジ日時 | 2024-09-16 16:41:19 |
合計ジャッジ時間 | 24,169 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 38 ms
20,864 KB |
testcase_01 | AC | 40 ms
20,736 KB |
testcase_02 | AC | 49 ms
21,376 KB |
testcase_03 | AC | 87 ms
24,796 KB |
testcase_04 | AC | 311 ms
24,844 KB |
testcase_05 | AC | 54 ms
25,048 KB |
testcase_06 | AC | 606 ms
24,836 KB |
testcase_07 | AC | 877 ms
24,972 KB |
testcase_08 | AC | 877 ms
24,848 KB |
testcase_09 | AC | 2,053 ms
25,088 KB |
testcase_10 | RE | - |
testcase_11 | AC | 45 ms
23,424 KB |
testcase_12 | AC | 89 ms
25,108 KB |
testcase_13 | AC | 1,820 ms
24,832 KB |
testcase_14 | AC | 1,849 ms
25,216 KB |
testcase_15 | AC | 274 ms
24,968 KB |
testcase_16 | AC | 1,614 ms
25,100 KB |
testcase_17 | AC | 1,269 ms
25,088 KB |
testcase_18 | AC | 220 ms
25,088 KB |
testcase_19 | AC | 1,085 ms
24,960 KB |
testcase_20 | AC | 633 ms
24,972 KB |
testcase_21 | AC | 55 ms
24,960 KB |
testcase_22 | AC | 972 ms
24,984 KB |
testcase_23 | AC | 322 ms
25,092 KB |
testcase_24 | AC | 717 ms
24,840 KB |
testcase_25 | AC | 821 ms
24,844 KB |
testcase_26 | AC | 782 ms
25,344 KB |
testcase_27 | AC | 1,189 ms
24,960 KB |
testcase_28 | AC | 269 ms
25,096 KB |
testcase_29 | AC | 580 ms
25,096 KB |
testcase_30 | AC | 269 ms
24,852 KB |
testcase_31 | AC | 713 ms
24,704 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.IO; using System.Linq; using System.Numerics; using System.Text; using static System.Console; using static System.Convert; using static System.Math; using static Extentions; class IO { int idx; string[] input = In.ReadToEnd().Split(new[] { " ", "\n", "\r" }, StringSplitOptions.RemoveEmptyEntries); T Get<T>(Func<string, T> parser) => parser(input[idx++]); public string S => Get(s => s); public char C => Get(char.Parse); public int I => Get(int.Parse); public long L => Get(long.Parse); public double F => Get(double.Parse); public decimal D => Get(decimal.Parse); public BigInteger B => Get(BigInteger.Parse); T[] Gets<T>(int n, Func<string, T> parser) => input.Skip((idx += n) - n).Take(n).Select(parser).ToArray(); public string[] Ss(int n) => Gets(n, s => s); public char[] Cs(int n) => Gets(n, char.Parse); public int[] Is(int n) => Gets(n, int.Parse); public long[] Ls(int n) => Gets(n, long.Parse); public double[] Fs(int n) => Gets(n, double.Parse); public decimal[] Ds(int n) => Gets(n, decimal.Parse); public BigInteger[] Bs(int n) => Gets(n, BigInteger.Parse); public void Write<T>(params T[] xs) => WriteLine(string.Join(" ", xs)); public void Write(params object[] xs) => WriteLine(string.Join(" ", xs)); } #region Library struct ComparablePair<T1, T2> : IComparable<ComparablePair<T1, T2>> where T1 : IComparable<T1> where T2 : IComparable<T2> { public T1 First; public T2 Second; public ComparablePair(T1 first, T2 second) { First = first; Second = second; } public int CompareTo(ComparablePair<T1, T2> other) { var t = other.First.CompareTo(First); if (t == 0) t = other.Second.CompareTo(Second); return t; } public override string ToString() => $"({First}, {Second})"; } static class ComparablePair { public static ComparablePair<T1, T2> Create<T1, T2>(T1 first, T2 second) where T1 : IComparable<T1> where T2 : IComparable<T2> => new ComparablePair<T1, T2>(first, second); } static partial class Extentions { // O(N log log N) public static int[] Primes(int n) { if (n < 2) return Array.Empty<int>(); var flgs = new bool[n + 1]; for (var i = 3; i * i < n; i += 2) if (!flgs[i]) for (var j = i * i; j <= n; j += i) flgs[j] = true; var list = new List<int>() { 2 }; for (var i = 3; i <= n; i += 2) if (!flgs[i]) list.Add(i); return list.ToArray(); } } #endregion static class Program { public static void Main() { var sw = new StreamWriter(OpenStandardOutput()) { NewLine = "\n" }; #if DEBUG sw.AutoFlush = true; #else sw.AutoFlush = false; #endif SetOut(sw); Solve(new IO()); Out.Flush(); } static int Hash(int n) => n % 9; static void Solve(IO io) { var k = io.I; var n = io.I; var pk = Primes(k); var pn = Primes(n); var ps = pn.Where(x => !pk.Contains(x)).ToArray(); var hs = ps.Select(Hash).ToArray(); var set = new HashSet<int>(); var rec = new SortedSet<ComparablePair<int, int>>(); var headi = 0; for (var i = 0; i < hs.Length; i++) { if (!set.Add(hs[i])) { rec.Add(ComparablePair.Create(i - headi, ps[headi])); while (!set.Add(hs[i])) set.Remove(hs[headi++]); } } rec.Add(ComparablePair.Create(hs.Length - headi, ps[headi])); io.Write(rec.First().Second); } }