結果
| 問題 |
No.1064 ∪∩∩ / Cup Cap Cap
|
| コンテスト | |
| ユーザー |
 EmKjp
|
| 提出日時 | 2020-06-05 20:53:10 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 28 ms / 2,000 ms |
| コード長 | 6,213 bytes |
| コンパイル時間 | 2,498 ms |
| コンパイル使用メモリ | 115,240 KB |
| 実行使用メモリ | 26,984 KB |
| 最終ジャッジ日時 | 2024-12-16 10:12:23 |
| 合計ジャッジ時間 | 3,465 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge1 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| 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;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Text;
using System.Linq;
using E = System.Linq.Enumerable;
internal partial class Solver {
public void Run() {
var a = nl();
var b = nl();
var c = nl();
var d = nl();
// C1 - C2 = 2x^2 + (a - c) * x + (b - d)
var A = 2L;
var B = (a - c);
var C = (b - d);
var D = B * B - 4 * A * C;
if (D == 0) {
cout.WriteLine("Yes");
} else if (D < 0) {
cout.WriteLine("No");
} else {
var x1 = (-B - Math.Sqrt(D)) / (2.0 * A);
var x2 = (-B + Math.Sqrt(D)) / (2.0 * A);
var y1 = x1 * x1 + a * x1 + b;
var y2 = x2 * x2 + a * x2 + b;
// y1 = x1 * p + q
// y2 = x2 * p + q
// y2 = x2 * p + (y1 - x1 * p)
// y2 - y1 = (x2 - x1) * p
var p = (y2 - y1) / (x2 - x1);
var q = y1 - x1 * p;
cout.WriteLine($"{p:F12} {q:F12}");
}
}
}
// PREWRITEN CODE BEGINS FROM HERE
static public class StringExtensions {
static public string JoinToString<T>(this IEnumerable<T> source, string separator = " ") {
return string.Join(separator, source);
}
}
internal partial class Solver : Scanner {
public static void Main() {
#if LOCAL
byte[] inputBuffer = new byte[1000000];
var inputStream = Console.OpenStandardInput(inputBuffer.Length);
using (var reader = new StreamReader(inputStream, Console.InputEncoding, false, inputBuffer.Length)) {
Console.SetIn(reader);
new Solver(Console.In, Console.Out).Run();
}
#else
using (var writer = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }) {
Console.SetOut(writer);
new Solver(Console.In, Console.Out).Run();
Console.Out.Flush();
}
#endif
}
#pragma warning disable IDE0052
private readonly TextReader cin;
private readonly TextWriter cout;
private readonly TextWriter cerr;
#pragma warning restore IDE0052
public Solver(TextReader reader, TextWriter writer)
: base(reader) {
cin = reader;
cout = writer;
cerr = Console.Error;
}
public Solver(string input, TextWriter writer)
: this(new StringReader(input), writer) {
}
#pragma warning disable IDE1006
#pragma warning disable IDE0051
private int ni() { return NextInt(); }
private int[] ni(int n) { return NextIntArray(n); }
private long nl() { return NextLong(); }
private long[] nl(int n) { return NextLongArray(n); }
private double nd() { return NextDouble(); }
private double[] nd(int n) { return NextDoubleArray(n); }
private string ns() { return Next(); }
private string[] ns(int n) { return NextArray(n); }
#pragma warning restore IDE1006
#pragma warning restore IDE0051
}
internal static class LinqPadExtension {
[Conditional("DEBUG")]
public static void Dump<T>(this T obj) {
#if DEBUG
LINQPad.Extensions.Dump(obj);
#endif
}
[Conditional("DEBUG")]
public static void DumpString<T>(this T obj) {
#if DEBUG
LINQPad.Extensions.Dump(obj.ToString());
#endif
}
}
public class Scanner {
private readonly TextReader Reader;
private readonly CultureInfo ci = CultureInfo.InvariantCulture;
private readonly char[] buffer = new char[2 * 1024];
private int cursor = 0, length = 0;
private string Token;
private readonly StringBuilder sb = new StringBuilder(1024);
public Scanner()
: this(Console.In) {
}
public Scanner(TextReader reader) {
Reader = reader;
}
public int NextInt() { return checked((int)NextLong()); }
public long NextLong() {
var s = Next();
long r = 0;
int i = 0;
bool negative = false;
if (s[i] == '-') {
negative = true;
i++;
}
for (; i < s.Length; i++) {
r = r * 10 + (s[i] - '0');
#if DEBUG
if (!char.IsDigit(s[i])) throw new FormatException();
#endif
}
return negative ? -r : r;
}
public double NextDouble() { return double.Parse(Next(), ci); }
public string[] NextArray(int size) {
string[] array = new string[size];
for (int i = 0; i < size; i++) {
array[i] = Next();
}
return array;
}
public int[] NextIntArray(int size) {
int[] array = new int[size];
for (int i = 0; i < size; i++) {
array[i] = NextInt();
}
return array;
}
public long[] NextLongArray(int size) {
long[] array = new long[size];
for (int i = 0; i < size; i++) {
array[i] = NextLong();
}
return array;
}
public double[] NextDoubleArray(int size) {
double[] array = new double[size];
for (int i = 0; i < size; i++) {
array[i] = NextDouble();
}
return array;
}
public string Next() {
if (Token == null) {
if (!StockToken()) {
throw new Exception();
}
}
var token = Token;
Token = null;
return token;
}
public bool HasNext() {
if (Token != null) {
return true;
}
return StockToken();
}
private bool StockToken() {
while (true) {
sb.Clear();
while (true) {
if (cursor >= length) {
cursor = 0;
if ((length = Reader.Read(buffer, 0, buffer.Length)) <= 0) {
break;
}
}
var c = buffer[cursor++];
if (33 <= c && c <= 126) {
sb.Append(c);
} else {
if (sb.Length > 0) break;
}
}
if (sb.Length > 0) {
Token = sb.ToString();
return true;
}
return false;
}
}
}