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  1. using System;
  2. using System.Collections;
  3. using System.Linq;
  4.  
  5. public class Test
  6. {
  7. 	class Array2DComparer : IComparer
  8.     {
  9.         public int Compare(object a, object b)
  10.         {
  11.             int[] x = (int[])a;
  12.             int[] y = (int[])b;
  13.  
  14.             for (int index = 0; index < x.Length; index++)
  15.             {
  16.                 if (x[index] > y[index])
  17.                 {
  18.                     return 1;
  19.                 }
  20.  
  21.                 if (x[index] < y[index])
  22.                 {
  23.                     return -1;
  24.                 }
  25.             }
  26.  
  27.             return 0;
  28.         }
  29.     }
  30.  
  31.     static int[][] ConvertToJagged(int[,] rectangularArray)
  32.     {
  33.         int rows = rectangularArray.GetLength(0);
  34.         int cols = rectangularArray.GetLength(1);
  35.  
  36.         int[][] jaggedArray = new int[rows][];
  37.  
  38.         for (int row = 0; row < rows; row++)
  39.         {
  40.             int[] item = new int[cols];
  41.  
  42.             for (int col = 0; col < cols; col++)
  43.             {
  44.                 item[col] = rectangularArray[row, col];
  45.             }
  46.  
  47.             jaggedArray[row] = item;
  48.         }
  49.  
  50.         return jaggedArray;
  51.  
  52.         // либо в одну строчку с помощью LINQ
  53.         // return Enumerable.Range(0, array.GetLength(0)).Select(row => Enumerable.Range(0, array.GetLength(1)).Select(col => array[row, col]).ToArray()).ToArray();
  54.     }
  55.  
  56.     static int[,] ConvertToRectangular(int[][] jaggedArray)
  57.     {
  58.         int rows = jaggedArray.Length;
  59.         int cols = jaggedArray[0].Length;
  60.  
  61.         int[,] rectangularArray = new int[rows, cols];
  62.  
  63.         for (int row = 0; row < rows; row++)
  64.         {
  65.             for (int col = 0; col < cols; col++)
  66.             {
  67.                 rectangularArray[row, col] = jaggedArray[row][col];
  68.             }
  69.         }
  70.  
  71.         return rectangularArray;
  72.     }
  73.  
  74.     static void Main(string[] args)
  75.     {
  76.         int[,] rectangularArray = { 
  77.             { 3, 0, 2 }, 
  78.             { 3, 0, 1 }, 
  79.             { 2, 1, 5 }, 
  80.             { 3, 1, 6 }, 
  81.             { 4, 2, 8 }
  82.         };
  83.  
  84.         int[][] jaggedArray = ConvertToJagged(rectangularArray);
  85.  
  86.         Array.Sort(jaggedArray, new Array2DComparer());
  87.  
  88.         foreach (var item in jaggedArray)
  89.         {
  90.             Console.WriteLine(string.Join(" ", item));
  91.         }
  92.  
  93.         rectangularArray = ConvertToRectangular(jaggedArray);
  94.     }
  95. }
Success #stdin #stdout 0.02s 16380KB
comments (?)
stdin
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Standard input is empty
stdout
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2 1 5
3 0 1
3 0 2
3 1 6
4 2 8
https://ideone.com/J2isuq
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
public

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