結果
問題 | No.2989 Fibonacci Prize |
ユーザー |
|
提出日時 | 2024-12-14 11:34:22 |
言語 | C# (.NET 8.0.404) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,034 bytes |
コンパイル時間 | 8,080 ms |
コンパイル使用メモリ | 167,780 KB |
実行使用メモリ | 183,520 KB |
最終ジャッジ日時 | 2024-12-14 11:34:38 |
合計ジャッジ時間 | 14,345 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 76 WA * 1 |
コンパイルメッセージ
復元対象のプロジェクトを決定しています... /home/judge/data/code/main.csproj を復元しました (95 ms)。 MSBuild のバージョン 17.9.6+a4ecab324 (.NET) main -> /home/judge/data/code/bin/Release/net8.0/main.dll main -> /home/judge/data/code/bin/Release/net8.0/publish/
ソースコード
using Lib;using System;using System.Collections.Generic;using System.Diagnostics;using System.IO;using System.Linq;using System.Runtime.CompilerServices;using System.Text;using static Lib.OutputLib;public class Solver{const bool MultiTestCase = false;void Solve(){int n = ri, m = ri;// sum[i:1~n]f_i=f_(n+2)-1// f_(r+2)-f_(l+1) : mul of n// f_(r+2)-f_(l+1) <= f_m// r+2<=m なら下は ok// 2<=l'<r'<=m// r+2>m のとき (i.e. r>=m-1)// 元の総和表示を思い出すと (l,r)=(m-2,m-1),(m-1,m-1),(m,m) しかない// 周期はだいぶ小さいらしいlong ans = 0;if (n == 1){ans += (long)(m - 2) * (m - 1) / 2;ans++;if (m - 1 >= 1) ans++;if (m - 2 >= 1) ans++;}else{int p;{var c0 = new long[n];{int x = 1, y = 1;for (p = 1; ; p++){c0[x]++;if ((x, y) == (0, 1)) break;(x, y) = (y, (x + y) % n);}}int k = m + 1;var c = new long[n];for (int i = 0; i < n; i++) c[i] += c0[i] * (k / p);k %= p;{int x = 0, y = 1;for (int i = 0; i < k; i++){c[x]++;(x, y) = (y, (x + y) % n);}}c[0]--; c[1]--;for (int i = 0; i < n; i++) ans += c[i] * (c[i] - 1) / 2;}int f(int k){k %= p;int x = 0, y = 1;for (int i = 0; i < k; i++) (x, y) = (y, (x + y) % n);return x;}if (f(m) == 0) ans++;if (m - 1 >= 1 && f(m - 1) == 0) ans++;if (m - 2 >= 1 && (f(m - 1) + f(m - 2)) % n == 0) ans++;}Write(ans);}#pragma warning disable CS0162public Solver() { if (!MultiTestCase) Solve(); else for (int t = ri; t > 0; t--) Solve(); }#pragma warning restore CS0162const int IINF = 1 << 30;const long INF = 1L << 60;int ri { [MethodImpl(256)] get => (int)sc.Integer(); }long rl { [MethodImpl(256)] get => sc.Integer(); }uint rui { [MethodImpl(256)] get => (uint)sc.UInteger(); }ulong rul { [MethodImpl(256)] get => sc.UInteger(); }double rd { [MethodImpl(256)] get => sc.Double(); }string rs { [MethodImpl(256)] get => sc.Scan(); }string rline { [MethodImpl(256)] get => sc.Line(); }public StreamScanner sc = new StreamScanner(Console.OpenStandardInput());void ReadArray(out int[] a, int n) { a = new int[n]; for (int i = 0; i < a.Length; i++) a[i] = ri; }void ReadArray(out long[] a, int n) { a = new long[n]; for (int i = 0; i < a.Length; i++) a[i] = rl; }void ReadArray<T>(out T[] a, int n, Func<T> read) { a = new T[n]; for (int i = 0; i < a.Length; i++) a[i] = read(); }void ReadArray<T>(out T[] a, int n, Func<int, T> read) { a = new T[n]; for (int i = 0; i < a.Length; i++) a[i] = read(i); }}static class Program{static public void Main(string[] args){SourceExpander.Expander.Expand();Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });new Solver();Console.Out.Flush();}}#region Expanded by https://github.com/kzrnm/SourceExpandernamespace Lib{public partial class StreamScanner{public StreamScanner(Stream stream){str=stream;}private readonly Stream str;private readonlybyte[]buf=new byte[1024];private int len,ptr;public bool isEof=false;public bool IsEndOfStream{get{return isEof;}}[MethodImpl(256)]private byteRead(){if(isEof)throw new EndOfStreamException();if(ptr>=len){ptr=0;if((len=str.Read(buf,0,1024))<=0){isEof=true;return 0;}}return buf[ptr++];}[MethodImpl(256)]public char Char(){byte b;do b=Read();while(b<33||126<b);return(char)b;}[MethodImpl(256)]public string Line(){var sb=newStringBuilder();for(var b=Char();b!=10&&!isEof;b=(char)Read())sb.Append(b);return sb.ToString();}[MethodImpl(256)]public string Scan(){var sb=newStringBuilder();for(var b=Char();b>=33&&b<=126;b=(char)Read())sb.Append(b);return sb.ToString();}[MethodImpl(256)]public long Integer(){long ret=0;var ng=false;byte b;do b=Read();while(b!='-'&&(b<'0'||'9'<b));if(b=='-'){ng=true;b=Read();}for(;'0'<=b&&b<='9';b=Read())ret=ret*10+(b^'0');return ng?-ret:ret;}[MethodImpl(256)]public ulong UInteger(){ulong ret=0;byte b;do b=Read();while(b<'0'||'9'<b);for(;'0'<=b&&b<='9';b=Read())ret=ret*10+(ulong)(b^'0');return ret;}[MethodImpl(256)]public double Double()=>double.Parse(Scan());}}namespace Lib{public static class OutputLib{[MethodImpl(256)]public static void WriteJoin<T>(string s,IEnumerable<T>t)=>Console.WriteLine(string.Join(s,t));[MethodImpl(256)]public static void WriteMat<T>(T[,]a,string sep=" "){int sz1=a.GetLength(0),sz2=a.GetLength(1);var b=new T[sz2];for(int i=0;i<sz1;i++){for(int j=0;j<sz2;j++)b[j]=a[i,j];WriteJoin(sep,b);}}[MethodImpl(256)]public static void WriteMat<T>(T[][]a,string sep=" "){foreach(var ar in a)WriteJoin(sep,ar);}[MethodImpl(256)]public static void WriteMat<T>(T[][]a,Func<T,string>map,string sep=" "){foreach(var ar in a)WriteJoin(sep,ar.Select(x=>map(x)));}[MethodImpl(256)]public static void Write(object t)=>Console.WriteLine(t.ToString());[MethodImpl(256)]public static void Write(params object[]arg)=>Console.WriteLine(string.Join(" ",arg.Select(x=>x.ToString())));[MethodImpl(256)]public staticvoid Write(string str)=>Console.WriteLine(str);[MethodImpl(256)]public static void WriteFlush(object t){Console.WriteLine(t.ToString());Console.Out.Flush();}[MethodImpl(256)]public static void WriteError(object t)=>Console.Error.WriteLine(t.ToString());[MethodImpl(256)]public static voidFlush()=>Console.Out.Flush();[MethodImpl(256)]public static void YN(bool t)=>Console.WriteLine(t?"YES":"NO");[MethodImpl(256)]public static voidYn(bool t)=>Console.WriteLine(t?"Yes":"No");[MethodImpl(256)]public static void yn(bool t)=>Console.WriteLine(t?"yes":"no");[MethodImpl(256)]public static void DeleteLine()=>Console.Write("\x1b[1A\x1b[2K");[MethodImpl(256)]public static void ProgressBar(long now,long total,int blocks=50){int x=(int)((2*now*blocks+1)/(2*total));Console.Write($"\x1b[G[\x1b[42m{string.Concat(Enumerable.Repeat("_",x))}\x1b[0m{string.Concat(Enumerable.Repeat("_",blocks-x))}] : {now} / {total}");}}}namespace SourceExpander{public class Expander{[Conditional("EXP")]public static void Expand(string inputFilePath=null,string outputFilePath=null,bool ignoreAnyError=true){}public static string ExpandString(string inputFilePath=null,bool ignoreAnyError=true){return "";}}}#endregion Expanded by https://github.com/kzrnm/SourceExpander