結果

問題 No.1049 Zero (Exhaust)
ユーザー fgwiebfaoishfgwiebfaoish
提出日時 2020-05-08 21:57:46
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 147 ms / 2,000 ms
コード長 3,851 bytes
コンパイル時間 3,443 ms
コンパイル使用メモリ 113,268 KB
実行使用メモリ 17,920 KB
最終ジャッジ日時 2024-07-04 00:38:22
合計ジャッジ時間 3,839 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 22
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 #
プレゼンテーションモードにする

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 nint=System.Int32;
static class Program{
const int mod=(int)1e9+7;
const double eps=1e-11;
static void Main(){
Sc sc=new Sc();
var s=sc.Ia;
int p=s[0];
Mint a=p+1,b=p-1;
for(int i = 2;i<=s[1];i++) {
Mint z=a+b+a*p+b;
b=(a+b)*p*2-z;
a=z;
}
Console.WriteLine("{0}",a);
}
}
public struct Mint{
const int mod=(int)1e9+7;
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;}
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;a^=b;
u-=t*v;u^=v;v^=u;u^=v;
}
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(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;}
}
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