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  1. using System;
  2.  
  3. class Program
  4. {
  5.     static void DiamondMatrix(int n)
  6.     {
  7.         if (n <= 2)
  8.             return;
  9.  
  10.         int [,] A = new int [n, n];
  11.  
  12.         for (int i = 0; i < n; i++)
  13.         {
  14.             for (int j = 0; j < n; j++)
  15.             {   
  16.                 if (i+j==(n-1)/2 || i+j==(3*n-2)/2 || i-j==n/2 || i-j==-n/2)
  17.                     A[i,j] = 1;
  18.                 else if (i+j>(n-1)/2 && i+j<(3*n-2)/2 && i-j<n/2 && i-j>-n/2)
  19.                     A[i,j] = 2;
  20.                 else
  21.                     A[i,j] = 0;
  22.  
  23.                 Console.Write("{0} ", A[i,j]);
  24.             }
  25.             Console.WriteLine();
  26.         }
  27.         Console.WriteLine();
  28.     }
  29.  
  30.     static void Main()
  31.     {
  32.         DiamondMatrix(2);
  33.         DiamondMatrix(3);
  34.         DiamondMatrix(4);
  35.         DiamondMatrix(5);
  36.         DiamondMatrix(6);
  37.         DiamondMatrix(7);
  38.         DiamondMatrix(8);
  39.     }
  40. }
Success #stdin #stdout 0.03s 34792KB
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stdin
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Standard input is empty
stdout
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0 1 0 
1 2 1 
0 1 0 

0 1 1 0 
1 2 2 1 
1 2 2 1 
0 1 1 0 

0 0 1 0 0 
0 1 2 1 0 
1 2 2 2 1 
0 1 2 1 0 
0 0 1 0 0 

0 0 1 1 0 0 
0 1 2 2 1 0 
1 2 2 2 2 1 
1 2 2 2 2 1 
0 1 2 2 1 0 
0 0 1 1 0 0 

0 0 0 1 0 0 0 
0 0 1 2 1 0 0 
0 1 2 2 2 1 0 
1 2 2 2 2 2 1 
0 1 2 2 2 1 0 
0 0 1 2 1 0 0 
0 0 0 1 0 0 0 

0 0 0 1 1 0 0 0 
0 0 1 2 2 1 0 0 
0 1 2 2 2 2 1 0 
1 2 2 2 2 2 2 1 
1 2 2 2 2 2 2 1 
0 1 2 2 2 2 1 0 
0 0 1 2 2 1 0 0 
0 0 0 1 1 0 0 0
https://ideone.com/cZMbPY
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
secret

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