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  1. using System;
  2. using System.Linq;
  3. using System.Globalization;
  4. using System.Collections.Generic;
  5.  
  6. public class Test
  7. {
  8.  
  9. 	public static void Main()
  10. 	{
  11. 	    string[] arr1 = { "1155717", "5184305", "2531291", "1676341", "1916805" };
  12.             string[] arr2 = { "1155717", "1440230", "2531291", "8178626", "1916805" };
  13.             string[] arr3 = { "1155717", "5184305", "4025514", "167634" };
  14.  
  15.             string[][] all = new[] { arr1, arr2, arr3 };
  16.             int maxLength = all.Max(arr => arr.Length);
  17.             string separator = ",";
  18.             string defaultValue = "N/A";
  19.  
  20.             var csvFields = all.Select(arr =>
  21.                 Enumerable.Range(0, maxLength)
  22.                           .Select(i => arr.Length <= i ? defaultValue : arr[i]));
  23.            var csv = string.Join(Environment.NewLine,
  24.                 csvFields.Select(f => string.Join(separator, f.ToArray())).ToArray());       
  25.             Console.Write(csv);
  26. 	}
  27. }
Success #stdin #stdout 0.03s 33968KB
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stdin
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Standard input is empty
stdout
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1155717,5184305,2531291,1676341,1916805
1155717,1440230,2531291,8178626,1916805
1155717,5184305,4025514,167634,N/A
https://ideone.com/jZ4l52
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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