結果
問題 | No.14 最小公倍数ソート |
ユーザー | eitaho |
提出日時 | 2015-02-14 05:21:57 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 2,938 ms / 5,000 ms |
コード長 | 3,825 bytes |
コンパイル時間 | 1,191 ms |
コンパイル使用メモリ | 110,592 KB |
実行使用メモリ | 35,404 KB |
最終ジャッジ日時 | 2024-06-23 20:03:19 |
合計ジャッジ時間 | 34,601 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 42 ms
20,096 KB |
testcase_01 | AC | 42 ms
19,584 KB |
testcase_02 | AC | 42 ms
19,968 KB |
testcase_03 | AC | 92 ms
24,960 KB |
testcase_04 | AC | 2,938 ms
31,872 KB |
testcase_05 | AC | 1,086 ms
28,160 KB |
testcase_06 | AC | 1,263 ms
29,184 KB |
testcase_07 | AC | 1,617 ms
29,824 KB |
testcase_08 | AC | 2,105 ms
30,592 KB |
testcase_09 | AC | 2,644 ms
31,488 KB |
testcase_10 | AC | 2,630 ms
31,232 KB |
testcase_11 | AC | 2,797 ms
31,616 KB |
testcase_12 | AC | 2,810 ms
31,616 KB |
testcase_13 | AC | 2,830 ms
31,744 KB |
testcase_14 | AC | 2,675 ms
31,616 KB |
testcase_15 | AC | 2,855 ms
31,872 KB |
testcase_16 | AC | 1,105 ms
35,404 KB |
testcase_17 | AC | 798 ms
28,160 KB |
testcase_18 | AC | 409 ms
26,752 KB |
testcase_19 | AC | 1,826 ms
30,208 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.Diagnostics; using System.Collections.Generic; using System.Text.RegularExpressions; using Enu = System.Linq.Enumerable; class Program { void Solve() { int N = reader.Int(); var A = reader.IntLine(); var divisors = new Dictionary<int, List<int>>(); var multiples = new Dictionary<int, List<Tuple<int, int>>>(); var res = A.Select((a, i) => Tuple.Create(a, i)).ToArray(); for (int i = 0; i < N; i++) { var div = Divisors(A[i]); if (!divisors.ContainsKey(A[i])) divisors[A[i]] = div; foreach (int d in div) { if (!multiples.ContainsKey(d)) multiples[d] = new List<Tuple<int, int>>(); multiples[d].Add(new Tuple<int, int>(A[i], i)); } } foreach (var list in multiples.Values) list.Sort(); for (int i = 0; i + 1 < A.Length; i++) { int bestLcm = int.MaxValue; Tuple<int, int> best = new Tuple<int, int>(int.MaxValue, -1); foreach (int d in divisors[res[i].Item1]) { multiples[d].Remove(res[i]); if (multiples[d].Count == 0) continue; var cand = multiples[d][0]; int lcm = LCM(res[i].Item1, cand.Item1); if (lcm < bestLcm || lcm == bestLcm && cand.Item1 < best.Item1) { bestLcm = lcm; best = cand; } } res[i + 1] = best; } Console.WriteLine(string.Join(" ", res.Select(t => t.Item1))); } static int GCD(int a, int b) { while (b != 0) { int r = a % b; a = b; b = r; } return a; } static int LCM(int a, int b) { return a / GCD(a, b) * b; } static void Swap<T>(ref T a, ref T b) { T t = a; a = b; b = t; } static List<int> Divisors(int n) { List<int> divisors = new List<int>(); for (int i = 1; i * i <= n; i++) { if (n % i == 0) { divisors.Add(i); if (i * i != n) { divisors.Add(n / i); } } } divisors.Sort(); return divisors; } Reader reader = new Reader(Console.In); static void Main() { new Program().Solve(); } } class Reader { private readonly TextReader reader; private readonly char[] separator = { ' ' }; private readonly StringSplitOptions removeOp = StringSplitOptions.RemoveEmptyEntries; private string[] A = new string[0]; private int i; public Reader(TextReader r) { reader = r; } public bool HasNext() { return Enqueue(); } public string String() { return Dequeue(); } public int Int() { return int.Parse(Dequeue()); } public long Long() { return long.Parse(Dequeue()); } public double Double() { return double.Parse(Dequeue()); } public int[] IntLine() { var s = Line(); return s == "" ? new int[0] : Array.ConvertAll(Split(s), int.Parse); } public int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); } public int[][] IntGrid(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); } public string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); } public string Line() { return reader.ReadLine().Trim(); } private string[] Split(string s) { return s.Split(separator, removeOp); } private bool Enqueue() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return Enqueue(); A = Split(line); i = 0; return true; } private string Dequeue() { Enqueue(); return A[i++]; } }