Language: C++

using System;

	class Program
	{
		public static void Main(string[] args)
		{
			int n=int.Parse(Console.ReadLine());
			int[] array= new int[n];
			for(int k=0;k<n;k++)
			{
				array[k]=int.Parse(Console.ReadLine());
			}
			int cnt=0;
			int m=1;//?????£??????????????°???h=3???m?????????/??? h<n???
			int []  G=new int[m];//?????£??????????´???????????????£???????????????????????????????????????????????£??????
			G[0]=1;
			
 			for(int gap=2;(int)((Math.Pow(3,gap)-1)/2)<n;gap++)
			{			
				m++;
				G[m-1]=(int)((Math.Pow(3,gap)-1)/2);
			}
			
			//?????????????????????m???????????????G[i]????????????????????§???????????????G?????¨????????´??????count?????????
			//????????????????????????????????????
	
			Console.WriteLine(m);
			
			for(int j=0;j<m-1;j++)
			{
				cnt+=sort( array, n, G[m-1-j]);//?????\?????????????????????
				Console.Write(G[m-1-j]+" ");
			}
			cnt+=sort( array, n, G[0]);//?????\?????????????????????
			
			Console.Write(G[0]+"\r\n");//???????????§?????????
			
			Console.WriteLine(cnt);//?????????
			for(int l=0;l<n;l++)
			{
				Console.WriteLine(array[l]);
			
			}
			
			
		}
		public static int sort(int [] A,int n,int g)
		{
			int count=0;//??????????????°
			for (int k=0;k<g;k++)
			{
				
			for(int i=k+g;i<n;i+=g)
			{
				
				int v=A[i];
				int j=i-g;
				while(j>=0&&A[j]>v)
				{
					A[j+g]=A[j];
					j=j-g;
				count ++; //????????????????????§????????????????????§??????????????¢??????
				A[j+g]=v;//????????????A[j]???????????????????§?????????????????????\????????????
				//??????????????????????°?????????????????????´?????????????????£?????????????????????????´??????´???????????????????°?????????????????????????0
				//?????????????????????????????\???
				}
				
			}
			}
			return count;
		}
		
	}
	

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:5:23: error: expected ':' before 'static'
    5 |                 public static void Main(string[] args)
      |                       ^~~~~~~
      |                       :
a.cc:5:41: error: 'string' has not been declared
    5 |                 public static void Main(string[] args)
      |                                         ^~~~~~
a.cc:5:50: error: expected ',' or '...' before 'args'
    5 |                 public static void Main(string[] args)
      |                                                  ^~~~
a.cc:47:23: error: expected ':' before 'static'
   47 |                 public static int sort(int [] A,int n,int g)
      |                       ^~~~~~~
      |                       :
a.cc:47:47: error: expected ',' or '...' before 'A'
   47 |                 public static int sort(int [] A,int n,int g)
      |                                               ^
a.cc:73:10: error: expected ';' after class definition
   73 |         }
      |          ^
      |          ;
a.cc: In static member function 'static void Program::Main(int*)':
a.cc:7:31: error: expected primary-expression before 'int'
    7 |                         int n=int.Parse(Console.ReadLine());
      |                               ^~~
a.cc:8:28: error: structured binding declaration cannot have type 'int'
    8 |                         int[] array= new int[n];
      |                            ^~
a.cc:8:28: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:8:28: error: empty structured binding declaration
a.cc:8:31: error: expected initializer before 'array'
    8 |                         int[] array= new int[n];
      |                               ^~~~~
a.cc:11:33: error: 'array' was not declared in this scope
   11 |                                 array[k]=int.Parse(Console.ReadLine());
      |                                 ^~~~~
a.cc:11:42: error: expected primary-expression before 'int'
   11 |                                 array[k]=int.Parse(Console.ReadLine());
      |                                          ^~~
a.cc:15:29: error: structured binding declaration cannot have type 'int'
   15 |                         int []  G=new int[m];//?????£??????????´???????????????£???????????????????????????????????????????????£??????
      |                             ^~
a.cc:15:29: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:15:29: error: empty structured binding declaration
a.cc:15:33: error: expected initializer before 'G'
   15 |                         int []  G=new int[m];//?????£??????????´???????????????£???????????????????????????????????????????????£??????
      |                                 ^
a.cc:16:25: error: 'G' was not declared in this scope
   16 |                         G[0]=1;
      |                         ^
a.cc:18:46: error: 'Math' was not declared in this scope
   18 |                         for(int gap=2;(int)((Math.Pow(3,gap)-1)/2)<n;gap++)
      |                                              ^~~~
a.cc:27:25: error: 'Console' was not declared in this scope
   27 |                         Console.WriteLine(m);
      |                         ^~~~~~~
a.cc:31:44: error: 'array' was not declared in this scope
   31 |                                 cnt+=sort( array, n, G[m-1-j]);//?????\?????????????????????
      |                                            ^~~~~
a.cc:34:36: error: 'array' was not declared in this scope
   34 |                         cnt+=sort( array, n, G[0]);//?????\?????????????????????
      |                                    ^~~~~
a.cc: In static member function 'static int Program::sort(int*)':
a.cc:50:40: error: 'g' was not declared in this scope
   50 |                         for (int k=0;k<g;k++)
      |                                        ^
a.cc:53:41: error: 'n' was not declared in this scope
   53 |                         for(int i=k+g;i<n;i+=g)
      |                                         ^
a.cc:56:39: error: 'A' was not declared in this scope
   56 |                                 int v=A[i];
      |                                       ^