結果
| 問題 | No.703 ゴミ拾い Easy |
| ユーザー |
 fgwiebfaoish
|
| 提出日時 | 2020-03-14 14:05:45 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 386 ms / 1,500 ms |
| コード長 | 4,590 bytes |
| コンパイル時間 | 3,118 ms |
| コンパイル使用メモリ | 116,292 KB |
| 実行使用メモリ | 80,956 KB |
| 最終ジャッジ日時 | 2025-01-02 14:27:18 |
| 合計ジャッジ時間 | 12,009 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 46 |
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.Generic;using System.Collections;using System.Collections.Specialized;using System.Linq;using System.Text;using System.IO;using System.Reflection;using static System.Math;using System.Numerics;static class Program{const int mod=(int)1e9+7;static void Main(){Sc sc=new Sc();var n=sc.I;var a=sc.La;var x=sc.La;var y=sc.La;var dp=new long[n+1];var cht=new Lct(0,100000,false);for(int i = n-1;i>=0;i--) {cht.Add(i,-a[i]<<1,a[i]*a[i]+dp[i+1]);var e=cht.Get(x[i]);dp[i]=e.Item2+x[i]*x[i]+y[i]*y[i];}Console.WriteLine(dp[0]);}}public class Lct{public class Dt{public int n;public long a,b;public Dt(int n,long a,long b){this.n=n;this.a=a;this.b=b;}public override string ToString()=>"n:"+n.ToString()+" a:"+a.ToString()+" b:"+b.ToString();}public class Nd{public readonly long nl,nr,nc;public Nd l,r;public Dt d;public Nd(long nl,long nr,Dt d){this.nl=nl;this.nr=nr;this.d=d;nc=(nr+nl+1)>>1;}}public Nd root;public Dt du;private Func<long,long,bool> co;private long p;public Lct(long nl,long nr,bool bo){root=new Nd(nl,nr,null);if(bo){co=Ao;p=long.MinValue;}else{co=Do;p=long.MaxValue;}}public void Add(int n,long a,long b){if(root.d==null){root.d=new Dt(n,a,b);}else{var t=root;var d=new Dt(n,a,b);while(true){bool bl=co(t.d.a*t.nl+t.d.b,d.a*t.nl+d.b);bool br=co(t.d.a*t.nr+t.d.b,d.a*t.nr+d.b);if(!bl&&!br){t.d=d;break;}else if(bl&&!br){if(co(t.d.a*t.nc+t.d.b,d.a*t.nc+d.b)){if(t.r==null){t.r=new Nd(t.nc,t.nr,d);break;}else{t=t.r;}}else{if(t.l==null){t.l=new Nd(t.nl,t.nc-1,t.d);t.d=d;break;}else{var e=d;d=t.d;t.d=e;t=t.l;}}}else if(!bl&&br){if(co(t.d.a*t.nc+t.d.b,d.a*t.nc+d.b)){if(t.l==null){t.l=new Nd(t.nl,t.nc-1,d);break;}else{t=t.l;}}else{if(t.r==null){t.r=new Nd(t.nc,t.nr,t.d);t.d=d;break;}else{var e=d;d=t.d;t.d=e;t=t.r;}}}else{break;}}}}public Tuple<int,long> Get(long n){var t=root;int f=0;long g=p;while(t!=null){if(co(t.d.a*n+t.d.b,g)){f=t.d.n;g=t.d.a*n+t.d.b;}t=n<t.nc?t.l:t.r;}return Tuple.Create(f,g);}private bool Ao(long x,long y){return x>=y;}private bool Do(long x,long y){return x<=y;}}public class Sc{public int I{get{return int.Parse(Console.ReadLine());}}public long L{get{return long.Parse(Console.ReadLine());}}public double D{get{return double.Parse(Console.ReadLine());}}public string S{get{return Console.ReadLine();}}public int[] Ia{get{return Array.ConvertAll(Console.ReadLine().Split(),int.Parse);}}public long[] La{get{return Array.ConvertAll(Console.ReadLine().Split(),long.Parse);}}public double[] Da{get{return Array.ConvertAll(Console.ReadLine().Split(),double.Parse);}}public string[] Sa{get{return Console.ReadLine().Split();}}public object[] Oa{get{return Console.ReadLine().Split();}}public int[] Ia2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),int.Parse);}}public int[] Ia3(int a){return Array.ConvertAll((a.ToString()+" "+Console.ReadLine()).Split(),int.Parse);}public int[] Ia3(bool a,int b,bool c,int d){return Array.ConvertAll(((a?b.ToString()+" ":"")+Console.ReadLine()+(c?" "+d.ToString():"")).Split(),int.Parse);}public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}}public long[] La3(int a){return Array.ConvertAll((a.ToString()+" "+Console.ReadLine()).Split(),long.Parse);}public long[] La3(bool a,int b,bool c,int d){return Array.ConvertAll(((a?b.ToString()+" ":"")+Console.ReadLine()+(c?" "+d.ToString():"")).Split(),long.Parse);}public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}}public double[] Da3(int a){return Array.ConvertAll((a.ToString()+" "+Console.ReadLine()).Split(),double.Parse);}public double[] Da3(bool a,int b,bool c,int d){return Array.ConvertAll(((a?b.ToString()+" ":"")+Console.ReadLine()+(c?" "+d.ToString():"")).Split(),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(Console.ReadLine().Split());}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,Console.ReadLine().Split());}return a;}}