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Flatten a list of lists in C#

Open Orangutan answered on August 16, 2021 Popularity 9/10 Helpfulness 5/10

answer Flatten a list of lists in C#

related flatten list c#

Flatten a list of lists in C#

Comment

var list = listOfLists.SelectMany(d => d.InnerList).ToList();

Popularity 9/10 Helpfulness 5/10 Language csharp

Source: stackoverflow.com

Tags: c# flatten list

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Contributed on Aug 16 2021

Open Orangutan

0 Answers Avg Quality 2/10

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flatten list c#

Comment

using System;
using System.Collections;
using System.Collections.Generic;
internal class RecursiveApproach
{
	public static List<int?> ls = new List<int?>();
	public static void Main()
	{
			
		ArrayList als = new ArrayList()
		{
			new ArrayList
			{
				1,
				new int[]
				{
					2, 3, 4
				},
				new ArrayList
				{
					5, 6, 7, 8, 9
				}
			},
			10,
			new int[]{11,12,13},
			14,
			new ArrayList
			{
				15,
				new int[]
				{
					16, 17,18
				},
				new ArrayList
				{
					19, 20,21, 22, 23
				}
			}

		};
		Recursive(als);
		foreach (var i in ls)
		{
			
			Console.WriteLine(i);
			
		}
	}

	public static void Recursive(IList list)
	{
		if (list == null)
		{
			return;
		}

		foreach (var item in list)
		{
			if (item is int)
			{
				ls.Add(Convert.ToInt32(item));
			}
			else
			{
				Recursive(item as IList);
			}
		}
	}

}

Popularity 8/10 Helpfulness 4/10 Language csharp

Source: Grepper

Tags: c# flatten flat

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Contributed on May 08 2022

PrashantUnity

0 Answers Avg Quality 2/10

flatten list c#

Comment

static List<int?> ls = new List<int?>();	
public static void Recursive(IList list)
{
  if (list == null)
    return;
  foreach (var item in list)
  {
    if (item is int)
      ls.Add(Convert.ToInt32(item));
    else
      Recursive(item as IList);
  }
}
// this recursive function will do the job

Popularity 8/10 Helpfulness 4/10 Language csharp

Source: Grepper

Tags: c# flatten

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Contributed on May 08 2022

PrashantUnity

0 Answers Avg Quality 2/10

Flatten a list of lists in C#

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