結果
問題 | No.751 Frac #2 |
ユーザー | claw88 |
提出日時 | 2018-11-09 21:37:15 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 25 ms / 1,000 ms |
コード長 | 3,180 bytes |
コンパイル時間 | 906 ms |
コンパイル使用メモリ | 116,524 KB |
実行使用メモリ | 26,256 KB |
最終ジャッジ日時 | 2024-11-21 05:42:06 |
合計ジャッジ時間 | 2,816 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 36 |
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.Linq; using System.IO; //using System.Text; //using System.Text.RegularExpressions; //using System.Globalization; //using System.Diagnostics; using static System.Console; //using System.Numerics; //using static System.Math; //using pair = Pair<int, int>; class Program { static void Main() { //SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false }); new Program().solve(); Out.Flush(); } readonly Scanner cin = new Scanner(); readonly int[] dd = { 0, 1, 0, -1, 0 }; //→↓←↑ readonly int mod = 1000000007; void chmax<T>(ref T a, T b) where T : IComparable<T> { a = a.CompareTo(b) < 0 ? b : a; } void chmin<T>(ref T a, T b) where T : IComparable<T> { a = a.CompareTo(b) < 0 ? a : b; } void swap<T>(ref T a, ref T b) { var t = a; a = b; b = t; } void solve() { int N = cin.nextint; var A = cin.scanint; int M = cin.nextint; var B = cin.scanint; long sita = 1; for (int i = 1; i < N; i++) { sita *= A[i]; } long ue = A[0]; long ueue = B[M - 1]; long sitasita = 1; ; for (int i = M - 1- 1; i >= 0; i--) { swap(ref ueue, ref sitasita); ueue *= B[i]; } sita *= ueue; ue *= sitasita; var t = gcd(ue, sita); ue /= t; sita /= t; if (sita < 0) { sita *= -1; ue *= -1; } WriteLine($"{ue} {sita}"); } long gcd(long a, long b) { return (b != 0) ? gcd(b, a % b) : a; } long lcm(long a, long b) { return a / gcd(a, b) * b; } //ax + by = gcd(a, b)となるx, yを求める long extgcd(long a, long b, out long x, out long y) { long g = a; if (b != 0) { g = extgcd(b, a % b, out y, out x); y -= (a / b) * x; } else { x = 1; y = 0; } return g; } } class Scanner { string[] s; int i; readonly char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string[] scan { get { return ReadLine().Split(); } } public int[] scanint { get { return Array.ConvertAll(scan, int.Parse); } } public long[] scanlong { get { return Array.ConvertAll(scan, long.Parse); } } public double[] scandouble { get { return Array.ConvertAll(scan, double.Parse); } } public string next { get { if (i < s.Length) return s[i++]; string st = ReadLine(); while (st == "") st = ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); i = 0; return next; } } public int nextint { get { return int.Parse(next); } } public long nextlong { get { return long.Parse(next); } } public double nextdouble { get { return double.Parse(next); } } public void join<T>(IEnumerable<T> values) { WriteLine(string.Join(" ", values)); } }