結果
| 問題 | No.2161 Black Market |
| ユーザー |
 fgwiebfaoish
|
| 提出日時 | 2022-12-12 23:50:02 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 610 ms / 7,000 ms |
| コード長 | 11,646 bytes |
| コンパイル時間 | 1,283 ms |
| コンパイル使用メモリ | 115,200 KB |
| 実行使用メモリ | 76,396 KB |
| 最終ジャッジ日時 | 2024-11-06 21:26:08 |
| 合計ジャッジ時間 | 7,828 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 * 37 |
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;using nint=System.Int64;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,l,p)=sc.Tp4<int>();int f = n>>1;int g = n-f;var a = new int[f][];var b = new int[g][];for(int i = 0;i<f;i++) { a[i]=sc.Ia; }for(int i = 0;i<g;i++) { b[i]=sc.Ia; }int m = 1<<f;var dp1 = new long[m];var dp2 = new long[m];var li = new List<(long c, long p)>[f+1];for(int i = 0;i<=f;i++) { li[i]=new List<(long c, long p)>(); }li[0].Add((0, 0));for(int i = 1, j = 0;i<m;i++) {if((1<<(j+1))<=i) { j++; }dp1[i]=dp1[i-(1<<j)]+a[j][0];dp2[i]=dp2[i-(1<<j)]+a[j][1];li[Pc(i)].Add((dp1[i], dp2[i]));}var wm = new Wm[f+1];for(int i = 0;i<=f;i++) {li[i].Sort((u,v) => u.c.CompareTo(v.c));var arr = li[i].Select(e => e.p).ToArray();wm[i]=new Wm(arr);}m=1<<g;dp1 = new long[m];dp2 = new long[m];long ans = 0;Fu(0,0,0);for(int i = 1, j = 0;i<m;i++) {if((1<<(j+1))<=i) { j++; }dp1[i]=dp1[i-(1<<j)]+b[j][0];dp2[i]=dp2[i-(1<<j)]+b[j][1];Fu(Pc(i),dp1[i],dp2[i]);}void Fu(int bn,long cn,long pn) {if(l-cn<0) return;for(int i = 0;bn+i<=k&&i<=f;i++) {int lb = -1, ub = li[i].Count, mid = 0;while(lb+1!=ub) {mid=(ub+lb)/2;if(li[i][mid].c>l-cn) { ub=mid; }else { lb=mid; }}if(p-pn<=0) {ans+=ub;continue;}else if(lb>=0){ans+=wm[i].Rm(0,lb,p-pn-1);}}}pt.Wl(ans);}static int Pc(int n) {n-=(n>>1)&0x55555555;n=(n&0x33333333)+((n>>2)&0x33333333);return ((n+(n>>4)&0xF0F0F0F)*0x1010101)>>24;}}static class Ex1 {public static int Bs(this int[] a,int x,bool b) { return Bs2(a,x,b,a.Length); }public static int Bs(this int[] a,int x,bool b,int ub) { return Bs2(a,x,b,ub+1); }private static int Bs2(int[] a,int x,bool b,int ub) {int lb = -1, mid = 0;while(ub-lb>1) {mid=(ub+lb)/2;if(a[mid]>=x) { ub=mid; }else { lb=mid; }}return b ? lb : ub;}}public class Wm {private int[][] ra;private int[] za;private const int b = 60;private int n;public Wm(nint[] a) {n=a.Length;var d = new int[b+1][];ra=new int[b+1][];for(int i = 0;i<=b;i++) {d[i]=new int[n];ra[i]=new int[n+1];}var d0 = new nint[2][] { new nint[n],new nint[n] };var d1 = new nint[2][] { new nint[n],new nint[n] };var h0 = new int[] { 0,0 };var h1 = new int[] { 0,0 };za=new int[b+1];for(int i = 0;i<n;i++) {if((a[i]&(1L<<b))==0) {d0[1][h0[1]]=a[i];h0[1]++;za[b]++;}else {d1[1][h1[1]]=a[i];h1[1]++;d[b][i]=ra[b][i+1]=1;}ra[b][i+1]+=ra[b][i];}for(int i = 1;i<=b;i++) {nint g = 1L<<(b-i), p = i&1;h0[p^1]=h1[p^1]=0;for(int j = 0;j<h0[p];j++) {if((d0[p][j]&g)==0) {d0[p^1][h0[p^1]]=d0[p][j];h0[p^1]++;za[b-i]++;}else {d1[p^1][h1[p^1]]=d0[p][j];h1[p^1]++;d[b-i][j]=ra[b-i][j+1]=1;}ra[b-i][j+1]+=ra[b-i][j];}for(int j = 0;j<h1[p];j++) {if((d1[p][j]&g)==0) {d0[p^1][h0[p^1]]=d1[p][j];h0[p^1]++;za[b-i]++;}else {d1[p^1][h1[p^1]]=d1[p][j];h1[p^1]++;d[b-i][h0[p]+j]=ra[b-i][h0[p]+j+1]=1;}ra[b-i][h0[p]+j+1]+=ra[b-i][h0[p]+j];}}}public int Rk(int l,int r,long k) {l--;for(int i = b;i>=0;i--) {if(((k>>i)&1)==1) {r=ra[i][r+1]+za[i]-1;l=ra[i][l+1]+za[i]-1;}else {r=r-ra[i][r+1];l=l-ra[i][l+1];}}return r-l;}public int Rl(int l,int r,long k) {l--;int p = 0;for(int i = b;i>=0;i--) {if(((k>>i)&1)==1) {p+=r-l;r=ra[i][r+1]+za[i]-1;l=ra[i][l+1]+za[i]-1;p-=r-l;}else {r=r-ra[i][r+1];l=l-ra[i][l+1];}}return p;}public int Rm(int l,int r,long k) {l--;int p = 0;for(int i = b;i>=0;i--) {if(((k>>i)&1)==1) {r=ra[i][r+1]+za[i]-1;l=ra[i][l+1]+za[i]-1;}else {p+=r-l;r=r-ra[i][r+1];l=l-ra[i][l+1];p-=r-l;}}return p;}public nint Qt(int l,int r,int k) {l--;nint p = 0;for(int i = b;i>=0;i--) {if((r-ra[i][r+1])-(l-ra[i][l+1])<k) {k-=(r-ra[i][r+1])-(l-ra[i][l+1]);r=ra[i][r+1]+za[i]-1;l=ra[i][l+1]+za[i]-1;p|=1L<<i;}else {r=r-ra[i][r+1];l=l-ra[i][l+1];}}return p;}public nint Pv(int l,int r,int k) {int p = Rl(l,r,k);return p!=0 ? Qt(l,r,p) : -1;}public nint Nv(int l,int r,int k) {int p = Rm(l,r,k);return p!=0 ? Qt(l,r,r-l+1-p+1) : -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(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));}}