結果
| 問題 | No.2139 K Consecutive Sushi |
| ユーザー |
 fgwiebfaoish
|
| 提出日時 | 2022-12-03 00:57:45 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 875 ms / 2,000 ms |
| コード長 | 9,365 bytes |
| コンパイル時間 | 2,361 ms |
| コンパイル使用メモリ | 118,736 KB |
| 実行使用メモリ | 68,700 KB |
| 最終ジャッジ日時 | 2024-11-27 19:49:39 |
| 合計ジャッジ時間 | 15,449 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 31 |
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.Text.RegularExpressions;using System.IO;using System.Reflection;using static System.Math;using System.Numerics;using System.Threading;using System.Runtime.CompilerServices;using System.Diagnostics;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,k)=sc.Tp2<int>();var a = sc.Ia2;St st = new St(n+1,true);st.Ud2(0,0,a[1]);for(int i = 2;i<=n;i++) {st.Ud2(i,i,st.Get(Max(0,i-k),i-1).d);st.Ud2(Max(0,i-k),i-1,a[i]);}pt.Wl(st.Get(Max(0,n-k+1),n).d);}}public class St {public class Mo {public int n;public long d, c = 0;public Mo(long d,int n) { this.d=d; this.n=n; }public Mo(Mo mo) { d=mo.d+mo.c; n=mo.n; }}public Mo[] dat;private int m = 1, cnt;private bool mm;private Mo du;private Func<Mo,Mo,bool> compare;public St(int n,bool mm) {this.mm=mm;if(mm) { du=new Mo(long.MinValue,-1); compare=CoMax; }else { du=new Mo(long.MaxValue,-1); compare=CoMin; }while(m<n) { m<<=1; }cnt=m+n-1;dat=new Mo[cnt+1];for(int i = m-1;i<=cnt;i++) { dat[i]=new Mo(0,i-m+1); }for(int i = m-2;i>=0;i--) {if(2*i+1>=cnt) { dat[i]=new Mo(0,-1); }else { dat[i]=new Mo(0,dat[2*i+1].n); }}}private bool CoMax(Mo x,Mo y) { return x.d>y.d; }private bool CoMin(Mo x,Mo y) { return x.d<y.d; }private Mo Fdg(int a,int b,int k,int l,int r) {if(dat[k].c!=0) {dat[k].d+=dat[k].c;if(2*k+2<cnt) { dat[2*k+1].c+=dat[k].c; dat[2*k+2].c+=dat[k].c; }else if(2*k+2==cnt) { dat[2*k+1].d+=dat[k].c; }dat[k].c=0;}if(r<a||b<l) { return du; }if(a<=l&&r<=b) { return dat[k]; }Mo p = Fdg(a,b,k*2+1,l,(l+r)>>1);Mo q = Fdg(a,b,k*2+2,(l+r+1)>>1,r);return compare(p,q) ? p : q;}public Mo Get(int a,int b) { return Fdg(a,b,0,0,m-1); }public void Ud2(int a,int b,long d) { Hn(a,b,0,0,m-1,d); }private Mo Hn(int a,int b,int k,int l,int r,long d) {if(a<=l&&r<=b) {dat[k].d+=dat[k].c+d;if(2*k+2<cnt) { dat[2*k+1].c+=dat[k].c+d; dat[2*k+2].c+=dat[k].c+d; }else if(2*k+2==cnt) { dat[2*k+1].d+=dat[k].c+d; }dat[k].c=0;return dat[k];}if(dat[k].c!=0) {dat[k].d+=dat[k].c;if(2*k+2<cnt) { dat[2*k+1].c+=dat[k].c; dat[2*k+2].c+=dat[k].c; }else if(2*k+2==cnt) { dat[2*k+1].d+=dat[k].c; }dat[k].c=0;}if(r>=a&&b>=l) {Mo p = new Mo(Hn(a,b,k*2+1,l,(l+r)>>1,d));Mo q = new Mo(Hn(a,b,k*2+2,(l+r+1)>>1,r,d));dat[k]=compare(p,q) ? p : q;return dat[k];}return dat[k];}}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(int 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;public Scs(string t){sr=new StreamReader(t);}[MethodImpl(MethodImplOptions.AggressiveInlining)]protected override string Rl(){return sr.ReadLine();}public void Close(){sr.Close();}}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));}}