結果
| 問題 | No.5004 Room Assignment |
| ユーザー |
 KumaTachiRen
|
| 提出日時 | 2021-12-01 16:31:17 |
| 言語 | C# (.NET 8.0.203) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,236 bytes |
| コンパイル時間 | 12,214 ms |
| 実行使用メモリ | 67,764 KB |
| スコア | 0 |
| 最終ジャッジ日時 | 2021-12-01 16:31:44 |
| 合計ジャッジ時間 | 26,537 ms |
|
ジャッジサーバーID （参考情報） |
judge10 / judge11 |
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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 |
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| testcase_00 | TLE | - |
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コンパイルメッセージ
.NET 向け Microsoft (R) Build Engine バージョン 16.9.0+5e4b48a27 Copyright (C) Microsoft Corporation.All rights reserved. Determining projects to restore... Restored /home/judge/data/code/main.csproj (in 311 ms). /home/judge/data/code/Main.cs(117,10): warning CS0414: フィールド 'Solver.inf' が割り当てられていますが、値は使用されていません [/home/judge/data/code/main.csproj] main -> /home/judge/data/code/bin/Release/net5.0/linux-x64/main.dll main -> /home/judge/data/code/bin/Release/net5.0/linux-x64/publish/
ソースコード
using System;
using System.Linq;
using System.Numerics;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Timers;
using N = System.Int64;
static class Program
{
static public void Main(string[] args)
{
Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
var solver = new Solver();
solver.Solve();
Console.Out.Flush();
}
}
public class Solver
{
public void Solve()
{
int t = ri, r = ri;
var uf = new UnionFind(5400);
int p = 0;
for (int timer = 0; timer < t; timer++)
{
int n = ri;
int s;
var ans = new List<string>();
for (int i = 0; i < n; i++)
{
s = ri;
uf.SetSkill(p + i, s);
for (int j = 0; j < p + i; j++)
{
if (uf.Size(j) < 4 && uf.GetNowValue(j) < uf.GetNewValue(j, s))
{
uf.Unite(j, p + i);
ans.Add($"{j + 1} {p + i + 1}");
}
}
}
if (ans.Count == 0) Write(0);
else Write($"{ans.Count}\n{string.Join("\n", ans)}");
p += n;
}
}
public class UnionFind
{
private int _len;
private int[] _par;
private int[] _size;
private int[] _skill_min;
private int[] _skill_max;
public UnionFind(int len)
{
_len = len;
_par = new int[len];
_size = new int[len];
for (int i = 0; i < len; i++)
{
_par[i] = i;
_size[i] = 1;
}
_skill_min = new int[len];
_skill_max = new int[len];
}
public void SetSkill(int x, int s)
{
_skill_min[x] = s;
_skill_max[x] = s;
}
public int GetNowValue(int x)
{
int rx = Root(x);
int k = _size[rx] * (_size[rx] - 1) / 2;
int skill = _skill_max[rx] - _skill_min[rx];
return Math.Max(0, k * (200 - skill * skill));
}
public int GetNewValue(int x, int s)
{
int rx = Root(x);
int k = _size[rx] * (_size[rx] + 1) / 2;
int skill = Math.Max(_skill_max[rx], s) - Math.Min(_skill_min[rx], s);
return Math.Max(0, k * (200 - skill * skill));
}
public int Root(int x)
{
if (_par[x] == x) return x;
return _par[x] = Root(_par[x]);
}
public int Size(int x)
{
if (_par[x] == x) return _size[x];
return _size[x] = _size[Root(x)];
}
public bool IsSame(int x, int y) { return Root(x) == Root(y); }
public void Unite(int x, int y)
{
int rx = Root(x);
int ry = Root(y);
if (rx != ry)
{
_par[ry] = rx;
_size[rx] += _size[ry];
_skill_max[rx] = Math.Max(_skill_max[rx], _skill_max[ry]);
_skill_min[rx] = Math.Min(_skill_min[rx], _skill_min[ry]);
}
}
}
//int inf = 1 << 30;
long inf = (long)1 << 60;
int ri { get { return (int)sc.Integer(); } }
long rl { get { return sc.Integer(); } }
double rd { get { return sc.Double(); } }
string rs { get { return sc.Scan(); } }
public StreamScanner sc = new StreamScanner(Console.OpenStandardInput());
void Write<T>(T t) { Console.WriteLine(t.ToString()); }
void YN(bool t) { Console.WriteLine(t ? "YES" : "NO"); }
void Yn(bool t) { Console.WriteLine(t ? "Yes" : "No"); }
void yn(bool t) { Console.WriteLine(t ? "yes" : "no"); }
}
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) throw new EndOfStreamException();
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 Integer()
{
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 double Double() { return double.Parse(Scan()); }
}