結果
問題 | No.1573 Divisor Function |
ユーザー | fgwiebfaoish |
提出日時 | 2021-07-02 20:03:01 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 67 ms / 2,000 ms |
コード長 | 3,519 bytes |
コンパイル時間 | 5,477 ms |
コンパイル使用メモリ | 108,872 KB |
実行使用メモリ | 22,932 KB |
最終ジャッジ日時 | 2023-09-11 13:06:06 |
合計ジャッジ時間 | 10,046 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge15 |
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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 | 59 ms
20,832 KB |
testcase_01 | AC | 59 ms
20,736 KB |
testcase_02 | AC | 66 ms
22,920 KB |
testcase_03 | AC | 60 ms
22,840 KB |
testcase_04 | AC | 59 ms
22,880 KB |
testcase_05 | AC | 59 ms
20,892 KB |
testcase_06 | AC | 59 ms
20,960 KB |
testcase_07 | AC | 59 ms
20,840 KB |
testcase_08 | AC | 58 ms
20,776 KB |
testcase_09 | AC | 59 ms
20,828 KB |
testcase_10 | AC | 58 ms
20,712 KB |
testcase_11 | AC | 58 ms
18,824 KB |
testcase_12 | AC | 60 ms
22,816 KB |
testcase_13 | AC | 59 ms
20,828 KB |
testcase_14 | AC | 57 ms
18,960 KB |
testcase_15 | AC | 58 ms
20,876 KB |
testcase_16 | AC | 59 ms
20,860 KB |
testcase_17 | AC | 59 ms
22,792 KB |
testcase_18 | AC | 64 ms
20,780 KB |
testcase_19 | AC | 65 ms
22,812 KB |
testcase_20 | AC | 63 ms
22,880 KB |
testcase_21 | AC | 64 ms
20,920 KB |
testcase_22 | AC | 63 ms
20,944 KB |
testcase_23 | AC | 63 ms
20,732 KB |
testcase_24 | AC | 63 ms
20,932 KB |
testcase_25 | AC | 67 ms
20,828 KB |
testcase_26 | AC | 66 ms
22,804 KB |
testcase_27 | AC | 64 ms
20,692 KB |
testcase_28 | AC | 63 ms
22,780 KB |
testcase_29 | AC | 66 ms
20,836 KB |
testcase_30 | AC | 63 ms
20,736 KB |
testcase_31 | AC | 63 ms
20,692 KB |
testcase_32 | AC | 65 ms
22,892 KB |
testcase_33 | AC | 65 ms
22,932 KB |
testcase_34 | AC | 61 ms
20,844 KB |
testcase_35 | AC | 63 ms
18,836 KB |
testcase_36 | AC | 60 ms
20,932 KB |
testcase_37 | AC | 64 ms
18,884 KB |
testcase_38 | AC | 66 ms
20,832 KB |
testcase_39 | AC | 65 ms
20,900 KB |
testcase_40 | AC | 64 ms
20,788 KB |
testcase_41 | AC | 63 ms
20,808 KB |
testcase_42 | AC | 65 ms
20,836 KB |
testcase_43 | AC | 66 ms
20,844 KB |
testcase_44 | AC | 65 ms
20,896 KB |
testcase_45 | AC | 64 ms
20,768 KB |
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=998244353; static void Main(){ Sc sc=new Sc(); var (n,m)=sc.Tp2<int>(); long ans2=0; Db(n,(l,r,q)=>{ r=Min(m,r); if(l>r){return;} var d=Ap(r,r,n/r)-Ap(l,l,n/l); ans2+=Ap(l,l,n/l)*(r-l+1); ans2+=n/l*l*(r-l+1); if(r-l!=0){ ans2+=d/(r-l)*(r-l+1)*(r-l)/2; ans2+=q*(r-l+1)*(r-l)/2; } ans2%=mod; }); Console.WriteLine(ans2); } static long Ap(long a,long d,long n){return (n*((a<<1)+(n-1)*d))>>1;} static void Db(long n,Action<long,long,long> Fu){ long l=0,r=n; while(r!=0){ var q=n/r; l=n/(q+1); Fu(l+1,r,q); r=l; } } } 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 (T,T,T,T) Tp4<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]));} public (T1,T2) Tp2<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T2>(s[1]));} 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));} }