結果
問題 | No.210 探し物はどこですか? |
ユーザー | EmKjp |
提出日時 | 2015-05-16 00:05:10 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 377 ms / 2,000 ms |
コード長 | 5,378 bytes |
コンパイル時間 | 1,253 ms |
コンパイル使用メモリ | 110,976 KB |
実行使用メモリ | 20,480 KB |
最終ジャッジ日時 | 2024-07-06 04:37:06 |
合計ジャッジ時間 | 16,006 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 245 ms
20,096 KB |
testcase_01 | AC | 290 ms
20,352 KB |
testcase_02 | AC | 332 ms
20,348 KB |
testcase_03 | AC | 249 ms
19,840 KB |
testcase_04 | AC | 230 ms
19,968 KB |
testcase_05 | AC | 255 ms
19,840 KB |
testcase_06 | AC | 253 ms
19,840 KB |
testcase_07 | AC | 250 ms
19,968 KB |
testcase_08 | AC | 167 ms
19,968 KB |
testcase_09 | AC | 170 ms
19,840 KB |
testcase_10 | AC | 171 ms
19,840 KB |
testcase_11 | AC | 202 ms
19,840 KB |
testcase_12 | AC | 211 ms
19,968 KB |
testcase_13 | AC | 268 ms
19,968 KB |
testcase_14 | AC | 213 ms
19,840 KB |
testcase_15 | AC | 274 ms
19,968 KB |
testcase_16 | AC | 273 ms
19,968 KB |
testcase_17 | AC | 279 ms
19,840 KB |
testcase_18 | AC | 263 ms
19,968 KB |
testcase_19 | AC | 262 ms
19,840 KB |
testcase_20 | AC | 272 ms
19,840 KB |
testcase_21 | AC | 264 ms
19,840 KB |
testcase_22 | AC | 261 ms
19,968 KB |
testcase_23 | AC | 334 ms
20,352 KB |
testcase_24 | AC | 341 ms
20,224 KB |
testcase_25 | AC | 343 ms
20,480 KB |
testcase_26 | AC | 343 ms
20,224 KB |
testcase_27 | AC | 326 ms
20,224 KB |
testcase_28 | AC | 363 ms
20,480 KB |
testcase_29 | AC | 360 ms
20,352 KB |
testcase_30 | AC | 359 ms
20,224 KB |
testcase_31 | AC | 359 ms
20,480 KB |
testcase_32 | AC | 360 ms
20,352 KB |
testcase_33 | AC | 356 ms
20,352 KB |
testcase_34 | AC | 355 ms
20,224 KB |
testcase_35 | AC | 360 ms
19,968 KB |
testcase_36 | AC | 346 ms
20,352 KB |
testcase_37 | AC | 352 ms
20,480 KB |
testcase_38 | AC | 374 ms
20,472 KB |
testcase_39 | AC | 376 ms
20,336 KB |
testcase_40 | AC | 375 ms
20,352 KB |
testcase_41 | AC | 377 ms
20,224 KB |
testcase_42 | AC | 375 ms
20,088 KB |
testcase_43 | AC | 49 ms
19,968 KB |
testcase_44 | AC | 82 ms
19,968 KB |
testcase_45 | AC | 232 ms
19,968 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.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; public class PriorityQueue<T> { private T[] array = new T[100]; private int size = 0; private Comparison<T> comp; public PriorityQueue() { this.comp = Comparer<T>.Default.Compare; } public PriorityQueue(Comparison<T> comp) { this.comp = comp; } private void Swap(int a, int b) { T t = array[a]; array[a] = array[b]; array[b] = t; } private void Expand() { var newlist = new T[array.Length * 2]; Array.Copy(array, newlist, array.Length); array = newlist; } public bool Any() { return size > 0; } public void Enqueue(T newValue) { if (size >= array.Length) { Expand(); } array[size++] = newValue; int pos = size - 1; while (pos > 0) { int parent = (pos - 1) / 2; if (comp(array[parent], array[pos]) > 0) { Swap(parent, pos); pos = parent; } else break; } } public T Dequeue() { T top = array[0]; array[0] = array[--size]; int pos = 0; while (pos * 2 + 1 < size) { int left = pos * 2 + 1; int right = left + 1; int next = left; if (right < size && comp(array[left], array[right]) > 0) next = right; if (comp(array[pos], array[next]) > 0) { Swap(next, pos); pos = next; } else break; } return top; } }; public struct Node { public double Percentage { get; set; } public int Room { get; set; } } partial class Solver { public void Run() { var n = ni(); var p = ni(n); var q = ni(n); // メガネがその部屋にある確率 var percentage = p.Select(x => x / 1000.0).ToArray(); // 見つかる確率 var find = q.Select(x => x / 100.0).ToArray(); var qu = new PriorityQueue<Node>((n1, n2) => -n1.Percentage.CompareTo(n2.Percentage)); double ans = 0; for (int i = 0; i < n; i++) { qu.Enqueue(new Node { Percentage = percentage[i] * find[i], Room = i }); } for (int i = 1; i < 1000000; i++) { var node = qu.Dequeue(); ans += i * node.Percentage; node.Percentage *= (1.0 - find[node.Room]); qu.Enqueue(node); } cout.WriteLine("{0:F10}", ans); } } // PREWRITEN CODE BEGINS FROM HERE partial class Solver : Scanner { public static void Main(string[] args) { /*new Solver("1 1000 50", Console.Out).Run(); new Solver(@"10 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100", Console.Out).Run(); new Solver(@"10 64 201 4 30 232 64 197 7 102 99 28 43 94 52 24 33 97 55 36 89", Console.Out).Run();*/ new Solver(Console.In, Console.Out).Run(); } TextReader cin; TextWriter cout; public Solver(TextReader reader, TextWriter writer) : base(reader) { this.cin = reader; this.cout = writer; } public Solver(string input, TextWriter writer) : this(new StringReader(input), writer) { } public int ni() { return NextInt(); } public int[] ni(int n) { return NextIntArray(n); } public long nl() { return NextLong(); } public long[] nl(int n) { return NextLongArray(n); } public string ns() { return Next(); } } public class Scanner { private TextReader Reader; private Queue<String> TokenQueue = new Queue<string>(); private CultureInfo ci = CultureInfo.InvariantCulture; public Scanner() : this(Console.In) { } public Scanner(TextReader reader) { this.Reader = reader; } public int NextInt() { return Int32.Parse(Next(), ci); } public long NextLong() { return Int64.Parse(Next(), ci); } public double NextDouble() { return double.Parse(Next(), ci); } public string[] NextArray(int size) { var array = new string[size]; for (int i = 0; i < size; i++) array[i] = Next(); return array; } public int[] NextIntArray(int size) { var array = new int[size]; for (int i = 0; i < size; i++) array[i] = NextInt(); return array; } public long[] NextLongArray(int size) { var array = new long[size]; for (int i = 0; i < size; i++) array[i] = NextLong(); return array; } public String Next() { if (TokenQueue.Count == 0) { if (!StockTokens()) throw new InvalidOperationException(); } return TokenQueue.Dequeue(); } public bool HasNext() { if (TokenQueue.Count > 0) return true; return StockTokens(); } private bool StockTokens() { while (true) { var line = Reader.ReadLine(); if (line == null) return false; var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries); if (tokens.Length == 0) continue; foreach (var token in tokens) TokenQueue.Enqueue(token); return true; } } }