結果

問題 No.1189 Sum is XOR
ユーザー fgwiebfaoishfgwiebfaoish
提出日時 2020-08-24 12:04:22
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 103 ms / 2,000 ms
コード長 4,375 bytes
コンパイル時間 968 ms
コンパイル使用メモリ 114,188 KB
実行使用メモリ 41,120 KB
最終ジャッジ日時 2024-11-06 10:11:52
合計ジャッジ時間 4,005 ms
ジャッジサーバーID
(参考情報)
judge5 / judge1
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 103 ms
40,992 KB
testcase_01 AC 101 ms
41,120 KB
testcase_02 AC 101 ms
38,948 KB
testcase_03 AC 27 ms
23,976 KB
testcase_04 AC 27 ms
25,772 KB
testcase_05 AC 26 ms
23,992 KB
testcase_06 AC 26 ms
24,104 KB
testcase_07 AC 26 ms
23,604 KB
testcase_08 AC 27 ms
24,112 KB
testcase_09 AC 26 ms
23,852 KB
testcase_10 AC 26 ms
25,904 KB
testcase_11 AC 49 ms
28,080 KB
testcase_12 AC 96 ms
36,968 KB
testcase_13 AC 95 ms
39,984 KB
testcase_14 AC 68 ms
29,564 KB
testcase_15 AC 50 ms
28,128 KB
testcase_16 AC 44 ms
25,660 KB
testcase_17 AC 49 ms
26,036 KB
testcase_18 AC 57 ms
28,656 KB
testcase_19 AC 86 ms
37,412 KB
testcase_20 AC 88 ms
37,568 KB
testcase_21 AC 27 ms
26,196 KB
testcase_22 AC 26 ms
24,252 KB
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 #

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;
using System.Globalization;
static class Program{
	const int mod=998244353;
	const double eps=1e-11;
	static void Main(){
		Sc sc=new Sc();
		var s=sc.Ia;
		if(s[1]>10){
			Console.WriteLine(0);
			return;
		}
		int m=1<<10,p=1;
		var h=new int[m];
		var dp=new Mint[s[1]][];
		var a=sc.Ia;
		Mint ans=0;
		for(int i = 0;i<s[1];i++) {
			dp[i]=new Mint[m];
			p*=i+1;
		}
		for(int i = 0;i<s[0];i++) {
			h[a[i]]++;
			dp[0][a[i]]+=1;
		}
		for(int i = 0;i<s[1]-1;i++) {
			for(int j = 1;j<m;j++) {
				if(dp[i][j]!=0){
					for(int k=j;k<m;k=(k+1)|j){dp[i+1][k]+=dp[i][j]*h[k-j];}
				}
			}
		}
		for(int i = 1;i<m;i++) {ans+=dp[s[1]-1][i];}
		Console.WriteLine("{0}",ans*Mi(p));
	}
	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;
	}
}
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=(a.d+b)%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;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=(a.d*b)%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,int b){return (int)a==b;}
	public static bool operator!=(Mint a,int b){return (int)a!=b;}
	public override bool Equals(object obj){return false;}
	public override int GetHashCode(){return 0;}
	private 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;
	}
}
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(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),int.Parse);}
	public int[] Ia3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),int.Parse);}
	public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}}
	public long[] La3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),long.Parse);}
	public long[] La3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),long.Parse);}
	public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}}
	public double[] Da3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).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;}
}
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