結果
| 問題 | No.2075 GCD Subsequence |
| ユーザー |
 fgwiebfaoish
|
| 提出日時 | 2022-09-17 09:02:15 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 2,053 ms / 4,000 ms |
| コード長 | 10,688 bytes |
| コンパイル時間 | 1,314 ms |
| コンパイル使用メモリ | 120,540 KB |
| 実行使用メモリ | 52,608 KB |
| 最終ジャッジ日時 | 2024-12-22 00:25:03 |
| 合計ジャッジ時間 | 28,031 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 28 |
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 = sc.I;var a = sc.Ia;int m = 1000000;var osak = new Osak(m);var h = Enumerable.Repeat((Mint)1,m+1).ToArray();var dp = new Mint[n];for(int i = 0;i<n;i++) {if(a[i]==1) {dp[i]=1;continue;}var li = new List<int>();osak.Pf2(a[i],(g,p) => {li.Add(g);});int c = 1<<li.Count;for(int j = 1;j<c;j++) {int p = 1;for(int k = 0;k<li.Count;k++) {if(((j>>k)&1)==1) { p*=li[k]; }}Mint t = mod+((Pc(j)&1)<<1)-1;dp[i]+=h[p]*t;}for(int j = 1;j<c;j++) {int p = 1;for(int k = 0;k<li.Count;k++) {if(((j>>k)&1)==1) { p*=li[k]; }}h[p]+=dp[i];}}pt.Wl(dp.Sum());}static int Pc(long bits) {bits-=(bits>>1)&0x5555555555555555;bits=(bits&0x3333333333333333)+(bits>>2&0x3333333333333333);return (int)(((bits+(bits>>4))&0xf0f0f0f0f0f0f0f)*0x101010101010101>>56);}static string Binary(long a,int b) {string s = Convert.ToString(a,2);return (b>s.Length ? new string('0',b-s.Length) : "")+s;}}public struct Mint {const int mod = 998244353;private long d;public Mint(long d) { this.d=d; }public static implicit operator Mint(long d) { return new Mint(d%mod); }public static explicit operator long(Mint d) { return d.d; }public override string ToString() { return d.ToString(); }public static Mint operator +(Mint a,long b) { a.d=(mod+a.d+b%mod)%mod; return a; }public static Mint operator +(Mint a,Mint b) { a.d=(a.d+b.d)%mod; return a; }public static Mint operator -(Mint a,long b) { a.d=(mod+a.d-b%mod)%mod; return a; }public static Mint operator -(Mint a,Mint b) { a.d=(mod+a.d-b.d)%mod; return a; }public static Mint operator *(Mint a,long b) { a.d=b%mod*a.d%mod; return a; }public static Mint operator *(Mint a,Mint b) { a.d=a.d*b.d%mod; return a; }public static Mint operator /(Mint a,long b) { a.d=a.d*Mi(b)%mod; return a; }public static Mint operator /(Mint a,Mint b) { a.d=a.d*Mi(b.d)%mod; return a; }public static bool operator ==(Mint a,long b) { return (long)a==b; }public static bool operator !=(Mint a,long b) { return (long)a!=b; }public override bool Equals(object obj) { return false; }public override int GetHashCode() { return 0; }public static long Mi(long a) {a=(a+mod)%mod;long b = mod, u = 1, v = 0;while(b>0) {long t = a/b;a-=t*b; (a, b)=(b, a);u-=t*v; (u, v)=(v, u);}u%=mod;if(u<0) { u+=mod; }return u%mod;}}static class MintEx {public static Mint Sum(this IEnumerable<Mint> source) {Mint num = 0;foreach(Mint item in source) { num+=item; }return num;}}public class Osak {public int[] b;public Osak(int n) {b=new int[n+1];int m = (int)Sqrt(n);for(int i = 2;i<=m;i++) {if(b[i]==0) {for(int j = i*i;j<=n;j+=i) {if(b[j]==0) { b[j]=i; }}}}}public bool this[int i] { get { return b[i]==0; } }public void Pf(int n,Action<int> f) {if(n==1) { return; }while(b[n]!=0) {f(b[n]);n/=b[n];}f(n);}public void Pf2(int n,Action<int,int> f) {if(n==1) { return; }int g = b[n], p = 0;while(b[n]!=0) {if(b[n]!=g) {f(g,p);g=b[n];p=0;}p++;n/=b[n];}if(g!=n&&g!=0) {f(g,p);p=0;}f(n,p+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).Append(Environment.NewLine);}public void Wl(long s){sb.Append(s).Append(Environment.NewLine);}public void Wl(double s){sb.Append(s).Append(Environment.NewLine);}public void Wl(decimal s){sb.Append(s).Append(Environment.NewLine);}public void Wl(char s){sb.Append(s).Append(Environment.NewLine);}public void Wl(string s){sb.Append(s).Append(Environment.NewLine);}public void Wl(object s){sb.Append(s).Append(Environment.NewLine);}public void Wl(int[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}public void Wl(long[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}public void Wl(double[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}public void Wl(string[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}public void Wl(params object[] s){sb.Append(string.Join(" ",s)).Append(Environment.NewLine);}public void Wl(){sb.Append(Environment.NewLine);}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));}}