Question

How to add unique elements from array into a list with C#

Answer 1

using System;
using System.Collections.Generic;

class Program
{
    static void Main() {
        int[] arr = {5, 6, 1, 1, 1, 5, 8};
        
        List<int> lst = new List<int>();
        
        foreach (int n in arr)
            if (!lst.Contains(n))
                lst.Add(n);
 
        foreach (int n in lst) {
            Console.WriteLine(n);
        }
    }
}
 
 
 
 
/*
run:
 
5
6
1
8
 
*/

 

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