結果
| 問題 | No.134 走れ！サブロー君 |
| ユーザー |
 紙ぺーぱー
|
| 提出日時 | 2015-01-22 23:50:05 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 45 ms / 5,000 ms |
| コード長 | 5,889 bytes |
| コンパイル時間 | 2,560 ms |
| コンパイル使用メモリ | 110,464 KB |
| 実行使用メモリ | 19,968 KB |
| 最終ジャッジ日時 | 2024-10-14 17:10:54 |
| 合計ジャッジ時間 | 2,268 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge3 |
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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 | 26 ms
18,816 KB |
| testcase_01 | AC | 26 ms
18,816 KB |
| testcase_02 | AC | 26 ms
18,816 KB |
| testcase_03 | AC | 26 ms
18,688 KB |
| testcase_04 | AC | 26 ms
18,816 KB |
| testcase_05 | AC | 28 ms
18,656 KB |
| testcase_06 | AC | 30 ms
18,776 KB |
| testcase_07 | AC | 35 ms
18,944 KB |
| testcase_08 | AC | 45 ms
19,968 KB |
| testcase_09 | AC | 45 ms
19,840 KB |
| testcase_10 | AC | 26 ms
18,816 KB |
| testcase_11 | AC | 27 ms
18,688 KB |
| testcase_12 | AC | 25 ms
18,944 KB |
| testcase_13 | AC | 27 ms
18,816 KB |
| testcase_14 | AC | 27 ms
18,944 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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
//using System.Numerics;
namespace Program
{
public class Solver
{
public void Solve()
{
var zero = sc.Integer(2);
var n = sc.Integer();
n++;
var a = new double[n][];
a[0] = new double[] { zero[0], zero[1], 0 };
for (int i = 1; i < n; i++)
a[i] = sc.Double(3);
double sum = 0;
foreach (var x in a)
sum += x[2];
var dp = new double[1 << n, n];
for (int i = 0; i < 1 << n; i++)
for (int j = 0; j < n; j++)
dp[i, j] = double.MaxValue;
dp[1, 0] = 0;
var W = new double[1 << n];
for (int i = 0; i < 1 << n; i++)
{
double val = 0;
for (int j = 0; j < n; j++)
if ((i >> j) % 2 == 1) val += a[j][2];
W[i] = sum - val;
}
for (int i = 0; i < 1 << n; i++)
{
for (int j = 0; j < n; j++)
{
if (dp[i, j] == double.MaxValue) continue;
if (((i >> j) % 2) == 0) continue;
for (int k = 0; k < n; k++)
{
if (((i >> k) % 2) == 1) continue;
var dx = Math.Abs(a[j][0] - a[k][0]);
var dy = Math.Abs(a[j][1] - a[k][1]);
var d = dx + dy;
dp[i | (1 << k), k] = Math.Min(dp[i | (1 << k), k], dp[i, j] + (d * (W[i] + 100) / 120.0));
}
}
}
var min = double.MaxValue;
for (int i = 1; i < n; i++)
{
var dx = Math.Abs(a[0][0] - a[i][0]);
var dy = Math.Abs(a[0][1] - a[i][1]);
min = Math.Min(min,sum + dp[(1 << n) - 1, i] + (dx + dy) * 100 / 120.0);
}
IO.Printer.Out.WriteLine(min);
}
internal IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
static 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; }
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; }
}
}
#region Ex
namespace Program.IO
{
using System.IO;
using System.Linq;
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 System.Globalization.CultureInfo.InvariantCulture; } }
public Printer(System.IO.Stream stream) : base(stream, new System.Text.UTF8Encoding(false, true)) { }
public void Write<T>(string format, IEnumerable<T> source) { base.Write(format, source.OfType<object>().ToArray()); }
public void WriteLine<T>(string format, IEnumerable<T> source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
}
public class StreamScanner
{
public StreamScanner(Stream stream) { str = stream; }
private 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); return (char)b; }
public char[] Char(int n) { var a = new char[n]; for (int i = 0; i < n; i++) a[i] = Char(); return a; }
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 long Long()
{
if (isEof) return long.MinValue;
long ret = 0; byte b = 0; var ng = false;
do b = read();
while (b != '-' && (b < '0' || '9' < b));
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() { return double.Parse(Scan(), System.Globalization.CultureInfo.InvariantCulture); }
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 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); }
public void Flush() { str.Flush(); }
}
}
static 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