結果
問題 | No.356 円周上を回る3つの動点の一致 |
ユーザー |
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提出日時 | 2016-04-02 00:03:17 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 3,010 ms / 5,000 ms |
コード長 | 5,458 bytes |
コンパイル時間 | 1,463 ms |
コンパイル使用メモリ | 114,548 KB |
実行使用メモリ | 17,792 KB |
最終ジャッジ日時 | 2024-10-13 21:03:54 |
合計ジャッジ時間 | 22,006 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 48 |
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.Linq;using System.Collections.Generic;using Debug = System.Diagnostics.Debug;using StringBuilder = System.Text.StringBuilder;using System.Numerics;using Point = System.Numerics.Complex;using Number = System.Int64;namespace Program{//otaku ha saiko~public class Solver{public void Solve(){var a = sc.Long(3);var lcm = MathEx.LCM(a[0], a[1]);lcm = MathEx.LCM(lcm, a[2]);var b = new long[3];for (int i = 0; i < 3; i++)b[i] = lcm / a[i];Array.Sort(b);for (long i = b[0]; i >= 1; i--){var p = b[0] % i;var q = b[1] % i;var r = b[2] % i;if (p == q && p == r){var gcd = MathEx.GCD(lcm, i);IO.Printer.Out.WriteLine("{0}/{1}", lcm / gcd, i / gcd);return;}}}public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }}}#region mainstatic class Ex{static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }static public void Main(){var solver = new Program.Solver();solver.Solve();Program.IO.Printer.Out.Flush();}}#endregion#region Exnamespace Program.IO{using System.IO;using System.Text;using System.Globalization;public class Printer : StreamWriter{static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; }public static Printer Out { get; set; }public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { }public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); }public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); }}public class StreamScanner{public StreamScanner(Stream stream) { str = stream; }public readonly Stream str;private readonly byte[] buf = new byte[1024];private int len, ptr;public bool isEof = false;public bool IsEndOfStream { get { return isEof; } }private byte read(){if (isEof) return 0;if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }return buf[ptr++];}public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }public string Scan(){var sb = new StringBuilder();for (var b = Char(); b >= 33 && b <= 126; b = (char)read())sb.Append(b);return sb.ToString();}public string ScanLine(){var sb = new StringBuilder();for (var b = Char(); b != '\n'; b = (char)read())if (b == 0) break;else if (b != '\r') sb.Append(b);return sb.ToString();}public long Long(){if (isEof) return long.MinValue;long ret = 0; byte b = 0; var ng = false;do b = read();while (b != 0 && b != '-' && (b < '0' || '9' < b));if (b == 0) return long.MinValue;if (b == '-') { ng = true; b = read(); }for (; true; b = read()){if (b < '0' || '9' < b)return ng ? -ret : ret;else ret = ret * 10 + b - '0';}}public int Integer() { return (isEof) ? int.MinValue : (int)Long(); }public double Double() { var s = Scan(); return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN; }private T[] enumerate<T>(int n, Func<T> f){var a = new T[n];for (int i = 0; i < n; ++i) a[i] = f();return a;}public char[] Char(int n) { return enumerate(n, Char); }public string[] Scan(int n) { return enumerate(n, Scan); }public double[] Double(int n) { return enumerate(n, Double); }public int[] Integer(int n) { return enumerate(n, Integer); }public long[] Long(int n) { return enumerate(n, Long); }}}#endregion#region gcd,lcmstatic public partial class MathEx{static public Number GCD(Number x, Number y){byte i = 0;while (x != 0 && y != 0){if (i == 0)y %= x;else x %= y;i ^= 1;}return x == 0 ? y : x;}static public Number LCM(Number x, Number y){return (x / GCD(x, y)) * y;}}#endregion