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Here is an array of words. I want to get the largest set of words with the letter 'a' at a specific position and delete the rest of the words in the array. For example, i want to get the output of {alga, ajka, aoia} as this is the largest set of words with 'a' at a specific position. Im really confused any help would really be appreciated.

What I have tried:

static void Main(string[] args)
       {
           string[] words = { "alga", "apal", "aeal", "ajka", "aeal", "aoia", "aaul", "gaal", "laaj", "lata", "laoa" };

           char letter = 'a';
           List<String> wordFamilies = new List<String>();

           foreach (String word in words.Where(word => word.Contains(letter)))
           {
               wordFamilies.Add(word);
           }

           Console.WriteLine(String.Join(" ", wordFamilies));

       }

Posted 30-Oct-21 9:45am

Member 15405921

Updated 31-Oct-21 4:40am

v5

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[no name] 30-Oct-21 15:54pm

You haven't specified a "position" (e.g. word[1] == 'a'); you've simply selected all that "Contains" 'a'.

Member 15405921 30-Oct-21 16:26pm

Could you please show me how-to based on my code?

1 solution

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RickZeeland · Answer 1 · 2021-10-30T10:33:00

Solution 1

using System;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
           string[] words = { "alga", "ajka", "aoia", "apal", "aeal", "aatl", "aaul", "gaal", "laaj", "lata", "laoa" };

           char letter = 'a';
		   int pos = 3;
           List<string> wordFamilies = new List<string>();

           foreach (var word in words)
           {
			   if (pos < word.Length && word[pos] == letter)
                 wordFamilies.Add(word);
           }	
		
		   Console.WriteLine(string.Join(",", wordFamilies));
	}
}

Posted 30-Oct-21 10:33am

RickZeeland

Updated 30-Oct-21 10:39am

v3

Comments

Member 15405921 30-Oct-21 17:36pm

RickZeeland I have tried your code but it returns {"alga", "ajka", "aoia", "lata", "laoa"} , why so?

RickZeeland 31-Oct-21 2:26am

As you mentioned "words with the letter 'a' at a specific position" it searches for the letter at position 3, which is the fourth letter as arrays in C# start from 0.

BillWoodruff 31-Oct-21 9:05am

imho, this OP needs education, not having his code written for him.