結果

問題 No.5020 Averaging
ユーザー fgwiebfaoish
提出日時 2024-02-25 15:12:42
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 47 ms / 1,000 ms
コード長 8,391 bytes
コンパイル時間 1,154 ms
コンパイル使用メモリ 117,252 KB
実行使用メモリ 26,600 KB
スコア 22,718,796
最終ジャッジ日時 2024-02-25 15:12:47
合計ジャッジ時間 4,723 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
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ファイルパターン 結果
other AC * 50
権限があれば一括ダウンロードができます
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

diff #
プレゼンテーションモードにする

using System;
using System.Collections.Generic;
using System.Collections;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
using System.Reflection;
using static System.Math;
using System.Numerics;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Diagnostics;
public static class Program{
const long inf=long.MaxValue>>1;
const int mod=998244353;
static Sc sc=new Sc();
static void Main(){
Pt pt=new Pt(Solve);
pt.Sm();
}
static void Solve(Pt pt) {
var n=sc.I;
int m = 7;
var g = 5e17;
var da = new double[n][];
var ba = new int[n];
for(int i = 0;i<n;i++) {
da[i]=sc.Da;
ba[i]=-1;
}
var h = Enumerable.Range(0,m).ToArray();
var pa = new double[2];
for(int i = 0;i<m;i++) {
ba[i]=i;
pa[0]+=da[i][0];
pa[1]+=da[i][1];
}
Random r = new Random(2);
for(int l = 0;l<1000;l++) {
int v1 = h[r.Next(m-1)+1];
int v2 = r.Next(n);
while(ba[v2]!=-1) { v2=r.Next(n); }
if(Max(Abs(pa[0]-da[v1][0]+da[v2][0]-g*m),Abs(pa[1]-da[v1][1]+da[v2][1]-g*m))<Max(Abs(pa[0]-g*m),Abs(pa[1]-g*m))) {
pa[0]+=da[v2][0]-da[v1][0];
pa[1]+=da[v2][1]-da[v1][1];
ba[v2]=ba[v1];
ba[v1]=-1;
h[ba[v2]]=v2;
}
}
pt.Wl(50);
for(int i = 0;i<50;i++) {
int v1 = h[r.Next(m)];
int v2 = h[r.Next(m)];
for(int j = 0;v2==v1||(j<20&&da[v1][0]==da[v2][0]&&da[v1][1]==da[v2][1]);j++) { v2=h[r.Next(m)]; }
var k0 = (da[v1][0]+da[v2][0])/2;
var k1 = (da[v1][1]+da[v2][1])/2;
da[v1][0]=k0;
da[v1][1]=k1;
da[v2][0]=k0;
da[v2][1]=k1;
pt.Wl(v1+1,v2+1);
}
}
}
public class Pt{
private StringBuilder sb=new StringBuilder();
public Pt(Action<Pt> f){f(this);}
public void W(int s){sb.Append(s);}
public void W(long s){sb.Append(s);}
public void W(double s){sb.Append(s);}
public void W(decimal s){sb.Append(s);}
public void W(char s){sb.Append(s);}
public void W(string s){sb.Append(s);}
public void W(object s){sb.Append(s);}
public void W(params object[] s){sb.Append(string.Join(" ",s));}
public void Wl(int s){sb.Append(s).AppendLine();}
public void Wl(long s){sb.Append(s).AppendLine();}
public void Wl(double s){sb.Append(s).AppendLine();}
public void Wl(decimal s){sb.Append(s).AppendLine();}
public void Wl(char s){sb.Append(s).AppendLine();}
public void Wl(string s){sb.AppendLine(s);}
public void Wl(object s){sb.Append(s).AppendLine();}
public void Wl(int[] s){sb.AppendLine(string.Join(" ",s));}
public void Wl(long[] s){sb.AppendLine(string.Join(" ",s));}
public void Wl(double[] s){sb.AppendLine(string.Join(" ",s));}
public void Wl(string[] s){sb.AppendLine(string.Join(" ",s));}
public void Wl(params object[] s){sb.AppendLine(string.Join(" ",s));}
public void Wl(){sb.AppendLine();}
public void Sm(){Console.Write(sb);}
public void Op(StreamWriter sw){
sw.Write(sb);
sw.Close();
}
public static bool operator ==(Pt a,Pt b){return a.sb.ToString()==b.sb.ToString();}
public static bool operator !=(Pt a,Pt b){return a.sb.ToString()!=b.sb.ToString();}
public override bool Equals(object obj){return false;}
public override int GetHashCode(){return 0;}
}
public class Sc{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected virtual string Rl(){return Console.ReadLine();}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected virtual string[] Sp(string st){return st.Split();}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private T Ct<T>(string s){return (T)Convert.ChangeType(s,typeof(T));}
public virtual int I{get{return int.Parse(Rl());}}
public virtual long L{get{return long.Parse(Rl());}}
public virtual double D{get{return double.Parse(Rl());}}
public virtual string S{get{return Rl();}}
public int[] Ia{get{return Array.ConvertAll(Sp(Rl()),int.Parse);}}
public long[] La{get{return Array.ConvertAll(Sp(Rl()),long.Parse);}}
public double[] Da{get{return Array.ConvertAll(Sp(Rl()),double.Parse);}}
public string[] Sa{get{return Sp(Rl());}}
public object[] Oa{get{return Sp(Rl());}}
public int[] Ia2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),int.Parse);}}
public int[] Ia3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),int.Parse);}
public int[] Ia3(int a){return Array.ConvertAll(Sp(Rl()+" "+a.ToString()),int.Parse);}
public long[] La2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),long.Parse);}}
public long[] La3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),long.Parse);}
public long[] La3(long a){return Array.ConvertAll(Sp(Rl()+" "+a.ToString()),long.Parse);}
public double[] Da2{get{return Array.ConvertAll(Sp("0 "+Rl()+" 0"),double.Parse);}}
public double[] Da3(string a,string b){return Array.ConvertAll(Sp(a+Rl()+b),double.Parse);}
public T[] Arr<T>(int n,Func<T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f();}return a;}
public T[] Arr<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;}
public T[] Arr<T>(int n,Func<string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(Sp(Rl()));}return a;}
public T[] Arr<T>(int n,Func<int,string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(i,Sp(Rl()));}return a;}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T,T) Tp2<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T,T,T) Tp3<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T,T,T,T) Tp4<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T,T,T,T,T) Tp5<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T,T,T,T,T,T) Tp6<T>(){var s=Sp(Rl());return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]),Ct<T>(s[5]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T1,T2) Tp2<T1,T2>(){var s=Sp(Rl());return (Ct<T1>(s[0]),Ct<T2>(s[1]));}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public (T1,T1,T2) Tp3<T1,T2>(){var s=Sp(Rl());return (Ct<T1>(s[0]),Ct<T1>(s[1]),Ct<T2>(s[2]));}
}
public class Scr:Sc{
private List<string> li=new List<string>();
private int l=0;
private bool bo=false;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override string Rl(){
if(bo){return li[l++%li.Count];}
li.Add(Console.ReadLine());
return li[li.Count-1];
}
public void Again(){bo=true;}
}
public class Scs:Sc{
private StreamReader sr;
private string path;
public Scs(string path){sr=new StreamReader(this.path=path);}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override string Rl(){return sr.ReadLine();}
public void Close(){sr.Close();}
public void Reset(){sr=new StreamReader(path);}
}
public class Sc2:Sc{
private string[] sps=new string[]{" "," ","\t"};
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override string[] Sp(string st){return st.Split(sps,StringSplitOptions.RemoveEmptyEntries);}
public override int I{get{return int.Parse(Sp(Rl())[0]);}}
public override long L{get{return long.Parse(Sp(Rl())[0]);}}
public override double D{get{return double.Parse(Sp(Rl())[0]);}}
public override string S{get{return Sp(Rl())[0];}}
}
public class Scs2:Sc2{
private StreamReader sr;
public Scs2(string t){sr=new StreamReader(t);}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected override string Rl(){return sr.ReadLine();}
public void Close(){sr.Close();}
}
public class Sct:Sc{
private List<string> li=new List<string>();
private int l=0;
public void Add(int s){li.Add(s.ToString());}
public void Add(long s){li.Add(s.ToString());}
public void Add(double s){li.Add(s.ToString());}
public void Add(string s){li.Add(s.ToString());}
public void Add(object s){li.Add(s.ToString());}
public void Add(int[] s){li.Add(string.Join(" ",s));}
public void Add(long[] s){li.Add(string.Join(" ",s));}
public void Add(double[] s){li.Add(string.Join(" ",s));}
public void Add(string[] s){li.Add(string.Join(" ",s));}
public void Add(params object[] s){li.Add(string.Join(" ",s));}
protected override string Rl(){return li[l++];}
public void Clear(){li.Clear();l=0;}
public void Again(){l=0;}
public void Pf(){Console.WriteLine(string.Join("\n",li));}
}
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