結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | fgwiebfaoish |
提出日時 | 2021-02-12 22:27:41 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 168 ms / 2,000 ms |
コード長 | 4,105 bytes |
コンパイル時間 | 2,049 ms |
コンパイル使用メモリ | 111,744 KB |
実行使用メモリ | 44,416 KB |
最終ジャッジ日時 | 2024-07-19 23:01:32 |
合計ジャッジ時間 | 7,372 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 27 ms
18,816 KB |
testcase_01 | AC | 29 ms
18,944 KB |
testcase_02 | AC | 27 ms
18,944 KB |
testcase_03 | AC | 27 ms
18,816 KB |
testcase_04 | AC | 27 ms
19,072 KB |
testcase_05 | AC | 26 ms
18,816 KB |
testcase_06 | AC | 27 ms
18,944 KB |
testcase_07 | AC | 27 ms
18,944 KB |
testcase_08 | AC | 31 ms
19,456 KB |
testcase_09 | AC | 31 ms
19,328 KB |
testcase_10 | AC | 27 ms
18,944 KB |
testcase_11 | AC | 168 ms
42,752 KB |
testcase_12 | AC | 135 ms
38,016 KB |
testcase_13 | AC | 164 ms
44,416 KB |
testcase_14 | AC | 109 ms
35,456 KB |
testcase_15 | AC | 113 ms
35,712 KB |
testcase_16 | AC | 141 ms
37,760 KB |
testcase_17 | AC | 129 ms
36,864 KB |
testcase_18 | AC | 168 ms
43,904 KB |
testcase_19 | AC | 121 ms
36,736 KB |
testcase_20 | AC | 167 ms
43,264 KB |
testcase_21 | AC | 121 ms
36,736 KB |
testcase_22 | AC | 122 ms
36,480 KB |
testcase_23 | AC | 139 ms
38,144 KB |
testcase_24 | AC | 129 ms
37,504 KB |
testcase_25 | AC | 132 ms
37,632 KB |
testcase_26 | AC | 135 ms
38,144 KB |
testcase_27 | AC | 98 ms
34,688 KB |
testcase_28 | AC | 100 ms
34,944 KB |
testcase_29 | AC | 129 ms
37,248 KB |
testcase_30 | AC | 116 ms
35,840 KB |
testcase_31 | AC | 168 ms
42,668 KB |
testcase_32 | AC | 115 ms
34,816 KB |
testcase_33 | AC | 126 ms
35,840 KB |
testcase_34 | AC | 150 ms
43,776 KB |
testcase_35 | AC | 27 ms
18,816 KB |
testcase_36 | AC | 158 ms
44,416 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=(int)1e9+7; static void Main(){ Sc sc=new Sc(); var s=sc.Ia; var a=sc.Ia; var b=Enumerable.Repeat(-1,s[0]).ToArray(); for(int i = 0;i < s[1];i++) {b[i]=1;} if(s[1]==0){ Console.WriteLine(Min(Fu(a[0]),Fu(a[s[0]-1]))); return; } long Fu(int x) { var h=new int[s[0]]; long p=0; for(int i = 0;i < s[0];i++) {h[i]=Abs(x-a[i]);} Array.Sort(h); for(int i = 0;i < s[0];i++) {p+=h[i]*b[i];} return p; } Bit bit=new Bit(s[0]); long ans=long.MaxValue>>1; for(int i = 0;i < s[0];i++) {bit.Ud(i,a[i]);} for(int i = 0,j=-1,k=s[1];i < s[0];i++) { while(k!=s[0]&&Abs(a[i]-a[j+1])>Abs(a[i]-a[k])){j++;k++;} long p=0; if(j!=-1){p+=bit.Get2(0,j)-(j+1L)*a[i];} if(k!=s[0]){p+=((long)s[0]-k)*a[i]-bit.Get2(k,s[0]-1);} if(j<i){p-=bit.Get2(j+1,i)-((long)i-j)*a[i];} if(i<k){p-=((long)k-i)*a[i]-bit.Get2(i,k-1);} ans=Min(ans,p); } Console.WriteLine(ans); } } public class Bit{ private int n; private long[] bit; public Bit(int n){ this.n=n; bit=new long[n+1]; } public void Ud(int a,long p){a++;while(a<=n){bit[a]+=p;a+=a&-a;}} public long Get(int n){ n++; long a=0; while(n>0){a+=bit[n];n-=n&-n;} return a; } public long Get2(int m,int n){ long a=0,b=0; n++; while(n>m){a+=bit[n];n-=n&-n;} if(n==m){return a;} while(n!=m){b+=bit[m];m-=m&-m;} return a-b; } public void Clear(){bit=new long[n+1];} } 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));} }