結果
| 問題 | No.165 四角で囲え！ |
| ユーザー |
 紙ぺーぱー
|
| 提出日時 | 2015-05-03 21:41:26 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 7,541 bytes |
| コンパイル時間 | 1,059 ms |
| コンパイル使用メモリ | 111,744 KB |
| 実行使用メモリ | 22,912 KB |
| 最終ジャッジ日時 | 2024-07-05 17:45:48 |
| 合計ジャッジ時間 | 8,527 ms |
|
ジャッジサーバーID （参考情報） |
judge4 / judge1 |
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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 | 483 ms
19,456 KB |
| testcase_01 | TLE | - |
| testcase_02 | -- | - |
| testcase_03 | -- | - |
| testcase_04 | -- | - |
| testcase_05 | -- | - |
| testcase_06 | -- | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
| testcase_12 | -- | - |
| testcase_13 | -- | - |
| testcase_14 | -- | - |
| testcase_15 | -- | - |
| testcase_16 | -- | - |
| testcase_17 | -- | - |
| testcase_18 | -- | - |
| testcase_19 | -- | - |
| testcase_20 | -- | - |
| testcase_21 | -- | - |
| testcase_22 | -- | - |
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 n = sc.Integer();
var b = sc.Integer();
var p = new Triplet<long>[n];
var xs = new List<long>();
var xp = new List<long>();
var ys = new List<long>();
var yp = new List<long>();
for (int i = 0; i < n; i++)
{
p[i] = new Triplet<long>(sc.Long() * 2, sc.Long() * 2, sc.Long());
xs.Add(p[i].I);// xp.Add(p[i].I); xs.Add(p[i].I + 1);
ys.Add(p[i].J);// yp.Add(p[i].J); ys.Add(p[i].J + 1);
}
xp.Add(long.MinValue);
yp.Add(long.MinValue);
var zipX = xs.Concat(xp).Distinct().ToArray();
var zipY = ys.Concat(yp).Distinct().ToArray();
Array.Sort(zipX); Array.Sort(zipY);
var Xsize = zipX.Length;
var Ysize = zipY.Length;
var sum = new long[Xsize + 1, Ysize + 1];
var cnt = new int[Xsize + 1, Ysize + 1];
for (int i = 0; i < n; i++)
{
var px = Array.BinarySearch(zipX, p[i].I);
var py = Array.BinarySearch(zipY, p[i].J);
sum[px, py] += p[i].K;
cnt[px, py]++;
}
for (int i = 0; i <= Xsize; i++)
for (int j = 1; j <= Ysize; j++)
{
sum[i, j] += sum[i, j - 1];
cnt[i, j] += cnt[i, j - 1];
}
for (int i = 1; i <= Xsize; i++)
for (int j = 0; j <= Ysize; j++)
{
sum[i, j] += sum[i - 1, j];
cnt[i, j] += cnt[i - 1, j];
}
var pos = xs.Distinct().ToArray();
var Z = ys.Distinct().ToArray();
Array.Sort(pos); Array.Sort(Z);
for (int i = 0; i < Z.Length; i++)
Z[i] = Array.BinarySearch(zipY, Z[i]);
var max = 0;
for (int i = 0; i < pos.Length; i++)
for (int j = i + 1; j < pos.Length; j++)
{
var from = Array.BinarySearch(zipX, pos[i]);
var to = Array.BinarySearch(zipX, pos[j]);
int l = 0, r = 0;
while (l < Z.Length)
{
long val = 0;
while (r < Z.Length)
{
val = sum[to, Z[r]] + sum[from - 1, Z[l] - 1] - sum[from - 1, Z[r]] - sum[to, Z[l] - 1];
if (val > b) break;
else max = Math.Max(max, cnt[to, Z[r]] + cnt[from - 1, Z[l] - 1] - cnt[from - 1, Z[r]] - cnt[to, Z[l] - 1]);
r++;
}
if (r == Z.Length)
break;
while (l < r)
{
val = sum[to, Z[r]] + sum[from - 1, Z[l] - 1] - sum[from - 1, Z[r]] - sum[to, Z[l] - 1];
if (val <= b) { max = Math.Max(max, cnt[to, Z[r]] + cnt[from - 1, Z[l] - 1] - cnt[from - 1, Z[r]] - cnt[to, Z[l] - 1]); break; }
l++;
}
}
}
IO.Printer.Out.WriteLine(max);
}
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 Ex
namespace 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, 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; }
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); 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 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(), 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 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); }
}
}
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
#region Triplet<T>
public struct Triplet<T>
{
public T I, J, K;
public Triplet(T i, T j, T k) : this() { I = i; J = j; K = k; }
public Triplet(params T[] arg) : this(arg[0], arg[1], arg[2]) { }
public override string ToString() { return string.Format("{0} {1} {2}", I, J, K); }
}
#endregion