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  1. using System;
  2.  
  3. class Program
  4. {
  5.     static void Main(string[] args)
  6.     {
  7.         while (true)
  8.         {
  9.             Console.Write("Enter number of rows/columns: ");
  10.             int input;
  11.             bool isNumber = int.TryParse(Console.ReadLine(), out input);
  12.  
  13.             if (!isNumber)
  14.             {
  15.                 return;
  16.             }                int[,] array = new int[input, input];
  17.  
  18.             int iterator = 0;
  19.             int row = 0;
  20.             int col = 0;
  21.             int step = 1;
  22.             for (int num = 1; num <= input * input; num++)
  23.             {
  24.                 array[row, col] = num;
  25.  
  26.                 switch (step)
  27.                 {
  28.                     case 1:
  29.                         if (col == (input - iterator - 1))
  30.                         {
  31.                             row++;
  32.                             step++;
  33.                         }
  34.                         else
  35.                         {
  36.                             col++;
  37.                         }
  38.                         break;
  39.  
  40.                     case 2:
  41.                         if (row == (input - iterator - 1))
  42.                         {
  43.                             col--;
  44.                             step++;
  45.                         }
  46.                         else
  47.                         {
  48.                             row++;
  49.                         }
  50.  
  51.                         break;
  52.  
  53.                     case 3:
  54.                         if (col == (0 + iterator))
  55.                         {
  56.                             row--;
  57.                             step++;
  58.                         }
  59.                         else
  60.                         {
  61.                             col--;
  62.                         }
  63.                         break;
  64.  
  65.                     case 4:
  66.                         if (row == (1 + iterator))
  67.                         {
  68.                             col++;
  69.                             step = 1;
  70.                             iterator++;
  71.                         }
  72.                         else
  73.                         {
  74.                             row--;
  75.                         }
  76.                         break;
  77.                 }
  78.             }
  79.             ShowGrid(array);
  80.         }
  81.     }
  82.  
  83.     public static void ShowGrid(int[,] array)
  84.     {
  85.         int rowLength = array.GetLength(0);
  86.         int colLength = array.GetLength(1);
  87.  
  88.         Console.WriteLine();
  89.         for (int i = 0; i < rowLength; i++)
  90.         {
  91.             for (int j = 0; j < colLength; j++)
  92.             {
  93.                 Console.Write(string.Format("{0}\t", array[i, j]));
  94.             }
  95.             Console.Write(Environment.NewLine + Environment.NewLine);
  96.         }
  97.         Console.WriteLine();
  98.     }
  99. }
Success #stdin #stdout 0.01s 131648KB
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stdout
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Enter number of rows/columns: 
1	2	3	4	

12	13	14	5	

11	16	15	6	

10	9	8	7	


Enter number of rows/columns: 
1	2	3	4	5	

16	17	18	19	6	

15	24	25	20	7	

14	23	22	21	8	

13	12	11	10	9	


Enter number of rows/columns: 
1	2	3	4	5	6	

20	21	22	23	24	7	

19	32	33	34	25	8	

18	31	36	35	26	9	

17	30	29	28	27	10	

16	15	14	13	12	11	


Enter number of rows/columns:
https://ideone.com/skprGZ
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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