結果
問題 | No.1358 [Zelkova 2nd Tune *] 語るなら枚数を... |
ユーザー |
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提出日時 | 2021-02-02 15:49:43 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 576 ms / 2,000 ms |
コード長 | 4,912 bytes |
コンパイル時間 | 892 ms |
コンパイル使用メモリ | 116,404 KB |
実行使用メモリ | 18,048 KB |
最終ジャッジ日時 | 2024-06-29 23:41:46 |
合計ジャッジ時間 | 4,725 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 17 |
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.IO;using System.Reflection;using static System.Math;using System.Numerics;using System.Threading;using System.Runtime.CompilerServices;using System.Diagnostics;//using nint=System.Int32;static class Program{const int mod=(int)1e9+7;static void Main(){Sc sc=new Sc();var t=sc.I;StringBuilder sb=new StringBuilder();for(int i = 0;i < t;i++) {var s=sc.La;var h=new long[]{s[0],s[1],s[2]};Array.Sort(h);Extgcd(h[0],h[1],out long x,out long y);var g=Gcd(h[0],h[1]);var ag=h[0]/g;var bg=h[1]/g;var d=long.MaxValue/2/bg;Mint ans=0;for(int j = 0;j*h[2]<=s[3];j++) {var p=s[3]-j*h[2];if(p%g!=0){continue;}var cc=p/g;var xx=x*cc;var yy=y*cc;ans+=(yy+d*ag)/ag-d-((-xx+bg-1+d*bg)/bg-d)+1;}sb.Append(ans+"\n");}Console.Write(sb);}static long Gcd(long a,long b){long c=Max(a,b)%(b=Min(a,b));while(c!=0){a=b%c;b=c;c=a;}return b;}static long Extgcd(long a,long b,out long x,out long y) {if(b==0){x=1;y=0;return a;}long d=Extgcd(b,a%b,out y,out x);y-=a/b*x;return d;}}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;}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;}}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;}public (T,T) Tp2<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]));}public (T,T,T) Tp3<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]));}public (T1,T1,T2) Tp3<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T1>(s[1]),Ct<T2>(s[2]));}private T Ct<T>(string s){return (T)Convert.ChangeType(s,typeof(T));}}