結果
問題 | No.40 多項式の割り算 |
ユーザー |
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提出日時 | 2017-07-26 19:03:24 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 44 ms / 5,000 ms |
コード長 | 2,352 bytes |
コンパイル時間 | 2,360 ms |
コンパイル使用メモリ | 116,464 KB |
実行使用メモリ | 29,964 KB |
最終ジャッジ日時 | 2024-10-09 17:52:38 |
合計ジャッジ時間 | 3,828 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 32 |
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;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;public IO(TextReader reader){input = reader.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));}static class Extentions{}static class Program{public static void Main(){var sw = new StreamWriter(OpenStandardOutput()) { NewLine = "\n" };#if DEBUGsw.AutoFlush = true;#elsesw.AutoFlush = false;#endifSetOut(sw);Solve(new IO(In));Out.Flush();}static void Solve(IO io){var d = io.I;var a = io.Is(d + 1).Reverse().ToArray();var b = new[] { 1, 0, -1, 0 };for (var i = 0; i < d - 2; i++){for (var j = 1; j < 4; j++) a[i + j] -= a[i] * b[j];a[i] = 0;}a = a.SkipWhile(x => x == 0).Reverse().ToArray();if (a.Any()){io.Write(a.Length - 1);io.Write(a);}else{io.Write(0);io.Write(0);}}}